HiDream O1 API, HiDream O1 Dev API, HiDream I1 Full API - AI Image Generation APIs

by HiDream

HiDream O1 API and its distilled counterpart, the HiDream O1 Dev API, leverage a unified transformer architecture to handle complex text rendering and subject-driven personalization without the need for traditional encoders. Complementing these, the HiDream I1 Full API provides a powerful foundation model focused on delivering production-grade photorealism and superior adherence to intricate instructions. Together, these APIs provide developers with a scalable toolkit for generating professional visual content across various creative and commercial applications.

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HiDream O1 Text to Image API Documentation

https://gateway.pixazo.ai/hidream-o1-image/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request";

const data = {
  prompt: "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  image_size: {
    width: 2048,
    height: 2048
  },
  num_inference_steps: 50,
  guidance_scale: 5,
  num_images: 1,
  output_format: "png",
  enable_safety_checker: true
};

fetch(url, {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
  },
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}'

Output

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt for image generation, editing, or subject-driven personalization. Must describe the desired visual content clearly.
reference_image_urls	No	string[]	[]	—	Array of URLs to reference images. Use empty array for text-to-image, one URL for image editing, or multiple URLs for subject-driven personalization.
image_size	No	enum or {width,height}	square_hd	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output resolution. Accepts predefined enums: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9. Alternatively, specify exact width and height as an object (e.g., {"width": 2048, "height": 2048}), snapped to nearest supported resolution up to 2048x2048.
num_inference_steps	No	integer	50	—	Number of denoising steps during generation. Higher values improve quality but increase processing time.
guidance_scale	No	float	5	1–15	Classifier-free guidance scale. Controls how closely the output adheres to the prompt. Values typically range from 1 to 15.
seed	No	integer	—	—	Random seed for reproducible results. Use the same seed with identical parameters to generate identical outputs.
num_images	No	integer	1	1–4	Number of images to generate in a single request. Must be between 1 and 4.
output_format	No	enum	"png"	jpeg, png, webp	Output image format. Allowed values: jpeg, png, webp.
sync_mode	No	boolean	false	—	If true, returns base64-encoded data URI instead of a public URL. Use only for small-scale or testing purposes.
enable_safety_checker	No	boolean	true	—	Enables or disables the NSFW content filter. Disable only if you are certain your content complies with safety policies.
keep_original_aspect	No	boolean	false	—	When exactly one reference_image_url is provided, preserves the original aspect ratio of the reference image instead of snapping to image_size.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image",
  "error": null,
  "output": {
    "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image_019dxxxx/output.png"],
    "media_type": "image/png"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream O1 Text to Image API Pricing

Resolution	Price (USD)
All Resolution	$0.01

HiDream O1 Image to Image (Image Editing) API Documentation

https://gateway.pixazo.ai/hidream-o1-image-edit/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image (Edit) generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request";
const headers = {
  "Content-Type": "application/json",
  "Cache-Control": "no-cache",
  "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}'

Output

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image (Edit) generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt describing the desired edit or generation. Must be detailed for best results.
reference_image_urls	Yes	string[]	—	—	Array of URLs to reference images used for editing or subject-driven personalization. Use one image for editing, multiple for multi-subject personalization.
image_size	No	enum or {width,height}	—	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output resolution. Accepts predefined enums: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9, or a custom object with width and height (both must be ≤ 2048 and snapped to nearest supported resolution).
num_inference_steps	No	integer	50	—	Number of denoising steps during generation. Higher values improve quality but increase processing time.
guidance_scale	No	float	5	1–15	Classifier-free guidance scale. Controls how closely the output follows the prompt. Values typically range from 1 to 15.
seed	No	integer	—	—	Random seed for reproducible results. Use the same seed with identical inputs to generate identical outputs.
num_images	No	integer	1	1–4	Number of images to generate in a single request. Must be ≥ 1 and ≤ 4.
output_format	No	enum	"png"	jpeg, png, webp	Output image format. Allowed values: jpeg, png, webp.
sync_mode	No	boolean	—	—	If true, returns base64-encoded data URI in output.media_url instead of a public URL. Use for low-latency applications.
enable_safety_checker	No	boolean	true	—	Enables or disables the NSFW content filter. Disable only if you are certain your inputs are safe.
keep_original_aspect	No	boolean	—	—	When exactly one reference image is provided, preserves its original aspect ratio in the output. Overrides image_size if specified.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image-edit' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image-edit",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image-edit",
  "error": null,
  "output": {
    "media_url": [
      "https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image-edit_019dxxxx/output.png"
    ],
    "media_type": "image/png"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream O1 Image to Image (Image Editing) API Pricing

Resolution	Price (USD)
All Resolution	$0.01

2. HiDream O1 Dev

HiDream O1 Dev Text to Image API Documentation

https://gateway.pixazo.ai/hidream-o1-image-dev/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image (Dev) generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
        "width": 1024,
        "height": 1024
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request";
const headers = {
  "Content-Type": "application/json",
  "Cache-Control": "no-cache",
  "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
      "width": 1024,
      "height": 1024
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
  }'

Output

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image (Dev) generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt for image generation, editing, or subject-driven personalization. Must describe the desired visual content clearly.
reference_image_urls	No	string[]	—	—	Array of URLs to reference images. Use empty array for text-to-image, one URL for image editing, or multiple URLs for subject-driven personalization.
image_size	No	enum or {width,height}	square_hd	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output image dimensions. Allowed enum values: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9. Alternatively, specify exact width and height as integers, rounded down to the nearest multiple of 32, with maximum 2048x2048.
num_inference_steps	No	integer	28	—	Number of denoising steps. The distilled model is optimized for 28 steps; increasing beyond this may not improve quality.
guidance_scale	No	float	0.0	—	Classifier-free guidance scale. The dev model uses 0.0 by default for faster inference; values above 0.0 may increase adherence to prompt but reduce speed.
seed	No	integer	—	—	Random seed for reproducible results. Use the same seed with identical inputs to generate identical outputs.
num_images	No	integer	1	1–4	Number of images to generate in a single request. Must be between 1 and 4.
output_format	No	enum	"png"	jpeg, png, webp	Output image format. Allowed values: jpeg, png, webp.
sync_mode	No	boolean	false	—	If true, returns base64-encoded data URI in output.media_data instead of a public URL. Use only for small-scale or testing purposes.
enable_safety_checker	No	boolean	true	—	Toggle the NSFW content safety checker. Disable only if you are certain your prompts are safe and comply with platform policies.
keep_original_aspect	No	boolean	false	—	When exactly one reference_image_url is provided, preserve its original aspect ratio instead of conforming to image_size.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image-dev' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image-dev",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image-dev",
  "error": null,
  "output": {
    "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image-dev_019dxxxx/output.png"],
    "media_type": "image/png"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream O1 Dev Text to Image API Pricing

Resolution	Price (USD)
All Resolution	$0.005

HiDream O1 Dev Image to Image (Image Editing) API Documentation

https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image (Dev Edit) generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request";
const headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
};

fetch(url, {
    method: "POST",
    headers: headers,
    body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}'

Output

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image (Dev Edit) generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt describing the desired edit or generation. Must be detailed for best results.
reference_image_urls	Yes	string[]	—	—	Array of HTTPS URLs to reference images used for editing or subject-driven personalization. Must be publicly accessible.
image_size	No	object or string	—	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output resolution. Accepts either an object with `width` and `height` (e.g., `{ "width": 2048, "height": 2048 }`) or a preset string. Allowed presets: `square_hd`, `square`, `portrait_4_3`, `portrait_16_9`, `landscape_4_3`, `landscape_16_9`. Values are snapped to nearest supported resolution up to 2048x2048.
num_inference_steps	No	integer	28	—	Number of denoising steps. This model is distilled for optimal performance at 28 steps.
guidance_scale	No	float	0.0	—	Classifier-free guidance scale. The dev edition uses 0.0 by default for faster inference. Values above 0.0 may increase fidelity but slow generation.
seed	No	integer	—	—	Random seed for reproducible results. If omitted, a random seed is used.
num_images	No	integer	1	—	Number of images to generate in a single request.
output_format	No	string	"png"	jpeg, png, webp	Output image format. Allowed values: `jpeg`, `png`, `webp`.
sync_mode	No	boolean	—	—	If `true`, returns base64-encoded data URI in `output.media_url` instead of a public URL. If `false` or omitted, returns a public URL.
enable_safety_checker	No	boolean	true	—	Toggle the NSFW content safety checker. Set to `false` to disable filtering.
keep_original_aspect	No	boolean	—	—	When exactly one reference image is provided, preserve its original aspect ratio in the output. If omitted, output is resized to match `image_size`.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image-dev-edit' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image-dev-edit",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image-dev-edit",
  "error": null,
  "output": { "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/output.png"], "media_type": "image/png" },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream O1 Dev Image to Image (Image Editing) API Pricing

Resolution	Price (USD)
All Resolution	$0.005

3. HiDream O1 Dev

HiDream O1 Dev Text to Image API Documentation

https://gateway.pixazo.ai/hidream-o1-image-dev/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image (Dev) generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
        "width": 1024,
        "height": 1024
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request";
const headers = {
  "Content-Type": "application/json",
  "Cache-Control": "no-cache",
  "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image-dev/v1/hidream-o1-image-dev-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
      "width": 1024,
      "height": 1024
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
  }'

Output

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image (Dev) generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt for image generation, editing, or subject-driven personalization. Must describe the desired visual content clearly.
reference_image_urls	No	string[]	—	—	Array of URLs to reference images. Use empty array for text-to-image, one URL for image editing, or multiple URLs for subject-driven personalization.
image_size	No	enum or {width,height}	square_hd	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output image dimensions. Allowed enum values: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9. Alternatively, specify exact width and height as integers, rounded down to the nearest multiple of 32, with maximum 2048x2048.
num_inference_steps	No	integer	28	—	Number of denoising steps. The distilled model is optimized for 28 steps; increasing beyond this may not improve quality.
guidance_scale	No	float	0.0	—	Classifier-free guidance scale. The dev model uses 0.0 by default for faster inference; values above 0.0 may increase adherence to prompt but reduce speed.
seed	No	integer	—	—	Random seed for reproducible results. Use the same seed with identical inputs to generate identical outputs.
num_images	No	integer	1	1–4	Number of images to generate in a single request. Must be between 1 and 4.
output_format	No	enum	"png"	jpeg, png, webp	Output image format. Allowed values: jpeg, png, webp.
sync_mode	No	boolean	false	—	If true, returns base64-encoded data URI in output.media_data instead of a public URL. Use only for small-scale or testing purposes.
enable_safety_checker	No	boolean	true	—	Toggle the NSFW content safety checker. Disable only if you are certain your prompts are safe and comply with platform policies.
keep_original_aspect	No	boolean	false	—	When exactly one reference_image_url is provided, preserve its original aspect ratio instead of conforming to image_size.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 1024,
    "height": 1024
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image-dev' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image-dev",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image-dev_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image-dev",
  "error": null,
  "output": {
    "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image-dev_019dxxxx/output.png"],
    "media_type": "image/png"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream O1 Dev Text to Image API Pricing

Resolution	Price (USD)
All Resolution	$0.005

HiDream O1 Dev Image to Image (Image Editing) API Documentation

https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image (Dev Edit) generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request";
const headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
};

fetch(url, {
    method: "POST",
    headers: headers,
    body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image-dev-edit/v1/hidream-o1-image-dev-edit-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 28,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}'

Output

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image (Dev Edit) generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt describing the desired edit or generation. Must be detailed for best results.
reference_image_urls	Yes	string[]	—	—	Array of HTTPS URLs to reference images used for editing or subject-driven personalization. Must be publicly accessible.
image_size	No	object or string	—	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output resolution. Accepts either an object with `width` and `height` (e.g., `{ "width": 2048, "height": 2048 }`) or a preset string. Allowed presets: `square_hd`, `square`, `portrait_4_3`, `portrait_16_9`, `landscape_4_3`, `landscape_16_9`. Values are snapped to nearest supported resolution up to 2048x2048.
num_inference_steps	No	integer	28	—	Number of denoising steps. This model is distilled for optimal performance at 28 steps.
guidance_scale	No	float	0.0	—	Classifier-free guidance scale. The dev edition uses 0.0 by default for faster inference. Values above 0.0 may increase fidelity but slow generation.
seed	No	integer	—	—	Random seed for reproducible results. If omitted, a random seed is used.
num_images	No	integer	1	—	Number of images to generate in a single request.
output_format	No	string	"png"	jpeg, png, webp	Output image format. Allowed values: `jpeg`, `png`, `webp`.
sync_mode	No	boolean	—	—	If `true`, returns base64-encoded data URI in `output.media_url` instead of a public URL. If `false` or omitted, returns a public URL.
enable_safety_checker	No	boolean	true	—	Toggle the NSFW content safety checker. Set to `false` to disable filtering.
keep_original_aspect	No	boolean	—	—	When exactly one reference image is provided, preserve its original aspect ratio in the output. If omitted, output is resized to match `image_size`.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 28,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image-dev-edit' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image-dev-edit",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image-dev-edit",
  "error": null,
  "output": { "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image-dev-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/output.png"], "media_type": "image/png" },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream O1 Dev Image to Image (Image Editing) API Pricing

Resolution	Price (USD)
All Resolution	$0.005

4. HiDream I1 Full

HiDream I1 Full Text to Image API Documentation

https://gateway.pixazo.ai/hidream-o1-image/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request";

const data = {
  prompt: "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  image_size: {
    width: 2048,
    height: 2048
  },
  num_inference_steps: 50,
  guidance_scale: 5,
  num_images: 1,
  output_format: "png",
  enable_safety_checker: true
};

fetch(url, {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
  },
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image/v1/hidream-o1-image-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}'

Output

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt for image generation, editing, or subject-driven personalization. Must describe the desired visual content clearly.
reference_image_urls	No	string[]	[]	—	Array of URLs to reference images. Use empty array for text-to-image, one URL for image editing, or multiple URLs for subject-driven personalization.
image_size	No	enum or {width,height}	square_hd	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output resolution. Accepts predefined enums: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9. Alternatively, specify exact width and height as an object (e.g., {"width": 2048, "height": 2048}), snapped to nearest supported resolution up to 2048x2048.
num_inference_steps	No	integer	50	—	Number of denoising steps during generation. Higher values improve quality but increase processing time.
guidance_scale	No	float	5	1–15	Classifier-free guidance scale. Controls how closely the output adheres to the prompt. Values typically range from 1 to 15.
seed	No	integer	—	—	Random seed for reproducible results. Use the same seed with identical parameters to generate identical outputs.
num_images	No	integer	1	1–4	Number of images to generate in a single request. Must be between 1 and 4.
output_format	No	enum	"png"	jpeg, png, webp	Output image format. Allowed values: jpeg, png, webp.
sync_mode	No	boolean	false	—	If true, returns base64-encoded data URI instead of a public URL. Use only for small-scale or testing purposes.
enable_safety_checker	No	boolean	true	—	Enables or disables the NSFW content filter. Disable only if you are certain your content complies with safety policies.
keep_original_aspect	No	boolean	false	—	When exactly one reference_image_url is provided, preserves the original aspect ratio of the reference image instead of snapping to image_size.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image",
  "error": null,
  "output": {
    "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image_019dxxxx/output.png"],
    "media_type": "image/png"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream I1 Full Text to Image API Pricing

Resolution	Price (USD)
All Resolution	$0.01

HiDream I1 Full Image to Image (Image Editing) API Documentation

https://gateway.pixazo.ai/hidream-o1-image-edit/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

HiDream O1 Image (Edit) generate request

Request Code

POST https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

import requests

url = "https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = "https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request";
const headers = {
  "Content-Type": "application/json",
  "Cache-Control": "no-cache",
  "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data));

curl -X POST "https://gateway.pixazo.ai/hidream-o1-image-edit/v1/hidream-o1-image-edit-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
    "reference_image_urls": [
        "https://example.com/model_tests/hidream/woman.png"
    ],
    "image_size": {
        "width": 2048,
        "height": 2048
    },
    "num_inference_steps": 50,
    "guidance_scale": 5,
    "num_images": 1,
    "output_format": "png",
    "enable_safety_checker": true
}'

Output

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - HiDream O1 Image (Edit) generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt describing the desired edit or generation. Must be detailed for best results.
reference_image_urls	Yes	string[]	—	—	Array of URLs to reference images used for editing or subject-driven personalization. Use one image for editing, multiple for multi-subject personalization.
image_size	No	enum or {width,height}	—	square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9	Output resolution. Accepts predefined enums: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9, or a custom object with width and height (both must be ≤ 2048 and snapped to nearest supported resolution).
num_inference_steps	No	integer	50	—	Number of denoising steps during generation. Higher values improve quality but increase processing time.
guidance_scale	No	float	5	1–15	Classifier-free guidance scale. Controls how closely the output follows the prompt. Values typically range from 1 to 15.
seed	No	integer	—	—	Random seed for reproducible results. Use the same seed with identical inputs to generate identical outputs.
num_images	No	integer	1	1–4	Number of images to generate in a single request. Must be ≥ 1 and ≤ 4.
output_format	No	enum	"png"	jpeg, png, webp	Output image format. Allowed values: jpeg, png, webp.
sync_mode	No	boolean	—	—	If true, returns base64-encoded data URI in output.media_url instead of a public URL. Use for low-latency applications.
enable_safety_checker	No	boolean	true	—	Enables or disables the NSFW content filter. Disable only if you are certain your inputs are safe.
keep_original_aspect	No	boolean	—	—	When exactly one reference image is provided, preserves its original aspect ratio in the output. Overrides image_size if specified.

Example Request

{
  "prompt": "A cinematic product photo of a ceramic mug on a marble counter, soft window light, shallow depth of field",
  "reference_image_urls": [
    "https://example.com/model_tests/hidream/woman.png"
  ],
  "image_size": {
    "width": 2048,
    "height": 2048
  },
  "num_inference_steps": 50,
  "guidance_scale": 5,
  "num_images": 1,
  "output_format": "png",
  "enable_safety_checker": true
}

Response

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_API_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'hidream-o1-image-edit' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "hidream-o1-image-edit",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "hidream-o1-image-edit_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "hidream-o1-image-edit",
  "error": null,
  "output": {
    "media_url": [
      "https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/hidream-o1-image-edit_019dxxxx/output.png"
    ],
    "media_type": "image/png"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

HiDream I1 Full Image to Image (Image Editing) API Pricing

Resolution	Price (USD)
All Resolution	$0.01