POST /v1/images/generations

POST/v1/images/generations

Generates images from a text prompt. OpenAI DALL-E compatible format.

Request

Headers

Header	Value
`Authorization`	`Bearer {api_key}`
`Content-Type`	`application/json`

Body

{
  "model": "imagen-3",
  "prompt": "A futuristic city skyline at sunset, digital art",
  "n": 1,
  "size": "1024x1024",
  "response_format": "b64_json"
}

Parameters

Parameter	Type	Required	Description
`model`	`string`	Yes	Image model ID.
`prompt`	`string`	Yes	Text description of the desired image.
`n`	`integer`	No	Number of images. Default `1`.
`size`	`string`	No	Image dimensions, e.g. `"1024x1024"`.
`quality`	`string`	No	`"standard"` or `"hd"`.
`response_format`	`string`	No	`"url"` (default) or `"b64_json"`.
`style`	`string`	No	`"natural"` or `"vivid"`.

Response

{
  "created": 1709123456,
  "data": [
    {
      "url": "https://storage.example.com/generated-image.png",
      "revised_prompt": "A futuristic city skyline at golden hour sunset..."
    }
  ],
  "usage": {
    "prompt_tokens": 0,
    "completion_tokens": 0,
    "total_tokens": 0
  }
}

Field	Type	Description
`created`	`integer`	Unix timestamp.
`data[].url`	`string`	Image URL (when `response_format` is `"url"`).
`data[].b64_json`	`string`	Base64 image data (when `response_format` is `"b64_json"`).
`data[].revised_prompt`	`string`	The prompt as interpreted by the model.

Status codes

Status	Description
`200`	Success
`400`	Invalid request or model doesn't support image generation
`401`	Unauthorized
`402`	Insufficient balance
`502`	Upstream provider error

Examples

curl -X POST https://api.modelmax.io/v1/images/generations \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $MODELMAX_API_KEY" \
  -d '{
    "model": "imagen-3",
    "prompt": "A watercolor painting of a mountain lake",
    "n": 1,
    "size": "1024x1024"
  }'

from openai import OpenAI

client = OpenAI(api_key="your-key", base_url="https://api.modelmax.io/v1")

response = client.images.generate(
    model="imagen-3",
    prompt="A watercolor painting of a mountain lake",
    n=1,
    size="1024x1024",
)

print(response.data[0].url)

import OpenAI from "openai";

const client = new OpenAI({ apiKey: "your-key", baseURL: "https://api.modelmax.io/v1" });

const response = await client.images.generate({
  model: "imagen-3",
  prompt: "A watercolor painting of a mountain lake",
  n: 1,
  size: "1024x1024",
});

console.log(response.data[0].url);