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Video API

  • Seedance 2.0
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Image API

  • GPT Image 2
  • Nano Banana 2
  • Seedream 5.0
  • Imagen 4
  • Qwen Image 2.0
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  • More Image Models →

Audio API

  • Suno Music
  • Qwen3 TTS Flash
  • More Audio Models →

Chat API

  • GLM-5.2
  • Claude Opus 4.8
  • Gemini 3.5 Flash
  • Qwen 3.7 Max
  • GPT 5.5
  • More Chat Models →

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API Documentation
API Reference
Images
Generate Image

Generate Image

Loading models...

Generate image

https://api.modelstream.ai
POST/v1/images/generations

Authentication

BearerAuth
AuthenticationBearer <token>

All API requests must be authenticated using a Bearer token in the Authorization header. Please ensure your API key is active.Authorization: Bearer sk-xxxxxx

Parameter Location: Header Param

Request Body

application/json

Due to parameter differences across provider models, we recommend referring to the complete form parameter instructions during the specific model trial. The form view intuitively shows parameter types, and the JSON view reveals the exact parameters requested.

model*string

Model ID used

Required
input*object

Input data or text to process

Required
messages*array
parameters?object

Parameter description for Parameters

negative_prompt?string
prompt_extend?boolean
watermark?boolean
size?string

Response Parameters

application/json
200apiDocs.responses.successGenerateImage
created?integer

Parameter description for Created

data?array

Parameter description for Data

curl -X POST "https://api.modelstream.ai/v1/images/generations" \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "qwen-image-plus",
  "input": {
    "messages": [
      {
        "role": "user",
        "content": [
          {
            "text": "一副典雅庄重的对联悬挂于厅堂之中，房间是个安静古典的中式布置，桌子上放着一些青花瓷，对联上左书“义本生知人机同道善思新”，右书“通云赋智乾坤启数高志远”， 横批“智启通义”，字体飘逸，在中间挂着一幅中国风的画作，内容是岳阳楼。"
          }
        ]
      }
    ]
  },
  "parameters": {
    "negative_prompt": "",
    "prompt_extend": true,
    "watermark": false,
    "size": "1328*1328"
  }
}'
{
  "created": 0,
  "data": [
    {
      "url": "string",
      "b64_json": "string",
      "revised_prompt": "string"
    }
  ]
}