Ernie Image Turbo API, Ernie Image 1.0 API: Pricing, Documentation

Ernie Image Turbo API is its exceptional text rendering capability, which allows it to produce legible, layout-sensitive text in both English and Chinese for complex tasks like posters, infographics, and UI mockups. The system includes a lightweight Prompt Enhancer that automatically transforms simple user descriptions into rich, structured prompts to improve output accuracy and instruction following. Developers can access the standard model for maximum quality or a Turbo variant that is optimized for speed, delivering results roughly six times faster through efficient inference methods.

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Ernie Image Turbo API Documentation

https://gateway.pixazo.ai/ernie-image-turbo/v1/ernie-image-turbo-request

Authentication

All requests require an API key passed via header.

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

Ernie Image Turbo generate request

Request Code

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

{
  "prompt": "A serene mountain landscape at sunset with golden light",
  "negative_prompt": "",
  "image_size": "square_hd",
  "num_inference_steps": 8,
  "guidance_scale": 1,
  "num_images": 1,
  "enable_prompt_expansion": true,
  "enable_safety_checker": true,
  "output_format": "jpeg",
  "acceleration": "regular"
}

import requests

url = "https://gateway.pixazo.ai/ernie-image-turbo/v1/ernie-image-turbo-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A serene mountain landscape at sunset with golden light",
    "negative_prompt": "",
    "image_size": "square_hd",
    "num_inference_steps": 8,
    "guidance_scale": 1,
    "num_images": 1,
    "enable_prompt_expansion": true,
    "enable_safety_checker": true,
    "output_format": "jpeg",
    "acceleration": "regular"
}

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

const url = "https://gateway.pixazo.ai/ernie-image-turbo/v1/ernie-image-turbo-request";
const headers = {
  "Content-Type": "application/json",
  "Cache-Control": "no-cache",
  "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
  "prompt": "A serene mountain landscape at sunset with golden light",
  "negative_prompt": "",
  "image_size": "square_hd",
  "num_inference_steps": 8,
  "guidance_scale": 1,
  "num_images": 1,
  "enable_prompt_expansion": true,
  "enable_safety_checker": true,
  "output_format": "jpeg",
  "acceleration": "regular"
};

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/ernie-image-turbo/v1/ernie-image-turbo-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A serene mountain landscape at sunset with golden light",
    "negative_prompt": "",
    "image_size": "square_hd",
    "num_inference_steps": 8,
    "guidance_scale": 1,
    "num_images": 1,
    "enable_prompt_expansion": true,
    "enable_safety_checker": true,
    "output_format": "jpeg",
    "acceleration": "regular"
}'

Output

{
  "request_id": "ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your submit request to receive a POST callback when the job completes — no polling required.

Using curl? These are HTTP request headers — pass each with -H, e.g. -H "X-Webhook-URL: https://your-server.com/webhook/callback". Do not paste them as bare lines, and end every line of a multi-line command with \.

Webhook Headers

Header	Required	Default	Description
`X-Webhook-URL`	Yes (to enable)	—	HTTPS endpoint on your server that will receive the `POST` callback. Must respond `2xx` within a few seconds (process async if needed).
`X-Webhook-Mode`	No	`terminal`	`terminal` — fires once at the final status (`COMPLETED`/`FAILED`/`ERROR`). `sync` — fires on every poll cycle plus the terminal event, and caps the queue’s polling delay at 15s for tighter progress updates.

Example: enable webhook

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

Callback Payload

Your endpoint receives a POST application/json with the same shape as the GET /v2/requests/status/{request_id} response. Example terminal callback (mode terminal):

{
  "request_id": "ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "ernie-image-turbo",
  "error": null,
  "output": {
    "media_url": [
      "https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/output.jpeg"
    ],
    "media_type": "image/jpeg"
  },
  "created_at": "2026-05-22T13:17:32.110Z",
  "updated_at": "2026-05-22 13:19:23",
  "completed_at": "2026-05-22 13:19:23"
}

Failure callback shape

{
  "request_id": "ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "ernie-image-turbo",
  "error": "Description of the error",
  "output": null,
  "created_at": "...",
  "updated_at": "...",
  "completed_at": "..."
}

Delivery semantics

terminal mode (default) — exactly one POST when the request reaches a terminal status. No callback during PROCESSING.
sync mode — POST on every status poll (with delay capped at ~15s) plus a final POST at terminal status. Use when you want progress updates.
Idempotency — use request_id as your idempotency key. Network retries can deliver the same callback more than once; your handler must tolerate duplicates.
Response — respond 200 OK within a few seconds. The queue does not block on slow handlers, but persistent failures may stop further deliveries.
HTTPS required — plain http:// URLs are rejected.

Request Parameters - Ernie Image Turbo generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	—	Text prompt for image generation. Supports English, Chinese, and Japanese.
negative_prompt	No	string	""	—	Content to avoid in the generated image.
image_size	No	string or object	"square_hd"	"square_hd", "square", "portrait_4_3", "portrait_16_9", "landscape_4_3", "landscape_16_9", "square_uhd", "portrait_3_2", "landscape_3_2", "portrait_hd", "landscape_hd"; or {width: number, height: number}	Image dimensions. String options or custom object with width and height.
num_inference_steps	No	integer	8	—	Number of denoising steps. Turbo model is optimized for 8 steps.
guidance_scale	No	float	1	—	Prompt adherence strength. Higher values increase adherence to prompt at potential cost of image quality.
num_images	No	integer	1	—	Number of images to generate per request.
enable_prompt_expansion	No	boolean	true	—	Enable LLM-based prompt enhancement for richer, more detailed prompts.
enable_safety_checker	No	boolean	true	—	Enable NSFW content filtering.
output_format	No	string	"jpeg"	"jpeg", "png"	Output image format.
acceleration	No	string	"regular"	"none", "regular", "high"	Inference acceleration mode.
seed	No	integer	—	—	Random seed for reproducible results. If omitted, a random seed is used.
sync_mode	No	boolean	—	—	If `true`, returns image data URIs instead of CDN URLs. If `false` or omitted, returns CDN URLs.

Example Request

{
  "prompt": "A serene mountain landscape at sunset with golden light",
  "negative_prompt": "",
  "image_size": "square_hd",
  "num_inference_steps": 8,
  "guidance_scale": 1,
  "num_images": 1,
  "enable_prompt_expansion": true,
  "enable_safety_checker": true,
  "output_format": "jpeg",
  "acceleration": "regular"
}

Response

{
  "request_id": "ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/ernie-image-turbo_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 'ernie-image-turbo' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "ernie-image-turbo",
  "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/ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "ernie-image-turbo_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "ernie-image-turbo",
  "error": null,
  "output": {
    "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/ernie-image-turbo_019dxxxx/output.jpeg"],
    "media_type": "image/jpeg"
  },
  "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.

Ernie Image Turbo API Pricing

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2. Ernie Image 1.0

Ernie Image 1.0 API Documentation

https://gateway.pixazo.ai/ernie-image/v1/ernie-image-request