MAI Image 2.5 API - AI Image Generation

MAI Image 2.5 API is Microsoft's proprietary, internally developed text-to-image foundation model interface that allows developers to programmatically generate and edit high-fidelity visuals directly through Microsoft Azure AI Foundry. This diffusion-based cloud programmatic gateway enables enterprise workflows to transition natural language prompts into photorealistic assets, featuring visual reasoning capabilities across scale, complex studio lighting, and spatial relationships. Built specifically to support production-level graphic pipelines, the application interface provides fine-grained, localized edit controls, precise text rendering within layouts, and strict facial identity consistency across consecutive iterations.

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MAI Image 2.5 Text to Image API Documentation

https://gateway.pixazo.ai/microsoft-mai-image-2-5/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

Microsoft MAI Image 2.5 generate request

Request Code

POST https://gateway.pixazo.ai/microsoft-mai-image-2-5/v1/microsoft-mai-image-2-5-request
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_API_KEY

{
  "prompt": "A photorealistic still life of vintage cameras on a wooden desk, warm window light",
  "num_images": 1,
  "aspect_ratio": "auto",
  "output_format": "png",
  "sync_mode": false
}

import requests

url = "https://gateway.pixazo.ai/microsoft-mai-image-2-5/v1/microsoft-mai-image-2-5-request"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
}
data = {
    "prompt": "A photorealistic still life of vintage cameras on a wooden desk, warm window light",
    "num_images": 1,
    "aspect_ratio": "auto",
    "output_format": "png",
    "sync_mode": false
}

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

const url = "https://gateway.pixazo.ai/microsoft-mai-image-2-5/v1/microsoft-mai-image-2-5-request";
const headers = {
  "Content-Type": "application/json",
  "Cache-Control": "no-cache",
  "Ocp-Apim-Subscription-Key": "YOUR_API_KEY"
};
const data = {
  prompt: "A photorealistic still life of vintage cameras on a wooden desk, warm window light",
  num_images: 1,
  aspect_ratio: "auto",
  output_format: "png",
  sync_mode: false
};

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/microsoft-mai-image-2-5/v1/microsoft-mai-image-2-5-request" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  --data-raw '{
    "prompt": "A photorealistic still life of vintage cameras on a wooden desk, warm window light",
    "num_images": 1,
    "aspect_ratio": "auto",
    "output_format": "png",
    "sync_mode": false
  }'

Output

{
  "request_id": "microsoft-mai-image-2-5_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/microsoft-mai-image-2-5_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 - Microsoft MAI Image 2.5 generate request

Parameter	Required	Type	Default	Allowed values / range	Description
prompt	Yes	string	—	non-empty; ≤ 5000 chars	Text prompt for image generation (3–5000 characters)
num_images	No	integer	1	1–4	Number of images to generate (valid values: 1–4)
aspect_ratio	No	string	"auto"	"auto", "21:9", "16:9", "3:2", "4:3", "5:4", "1:1", "4:5", "3:4", "2:3", "9:16"	Image aspect ratio. Allowed: `auto`, `21:9`, `16:9`, `3:2`, `4:3`, `5:4`, `1:1`, `4:5`, `3:4`, `2:3`, `9:16`
output_format	No	string	"png"	"jpeg", "png", "webp"	Output format of generated images. Allowed: `jpeg`, `png`, `webp`
sync_mode	No	boolean	false	—	If true, returns media as a data URI inline in the response; otherwise returns a polling ID

Example Request

{
  "prompt": "A photorealistic still life of vintage cameras on a wooden desk, warm window light",
  "num_images": 1,
  "aspect_ratio": "auto",
  "output_format": "png",
  "sync_mode": false
}

Response

{
  "request_id": "microsoft-mai-image-2-5_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/microsoft-mai-image-2-5_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 'microsoft-mai-image-2-5' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "microsoft-mai-image-2-5_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "microsoft-mai-image-2-5",
  "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/microsoft-mai-image-2-5_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "microsoft-mai-image-2-5_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "microsoft-mai-image-2-5",
  "error": null,
  "output": {
    "media_url": ["https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/microsoft-mai-image-2-5_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.

MAI Image 2.5 Text to Image API Pricing

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MAI Image 2.5 Image to Image (Image Editing) API Documentation

https://gateway.pixazo.ai/microsoft-mai-image-2-5-edit/v1