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POST
/
v3
/
seedream-4.5
Seedream 4.5
curl --request POST \
  --url https://api.myrouter.ai/v3/seedream-4.5 \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "size": "<string>",
  "image": [
    {}
  ],
  "prompt": "<string>",
  "watermark": true,
  "optimize_prompt_options": {
    "mode": "<string>"
  },
  "sequential_image_generation": "<string>",
  "sequential_image_generation_options": {
    "max_images": 123
  }
}
'
{
  "images": [
    {}
  ]
}
Generate images based on input text prompts and/or reference images. Supports generating single images or image sequences (a set of content-related images).

​
Request Headers

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Content-Type
string
required
Enum: application/json
​
Authorization
string
required
Bearer authentication format: Bearer {{API Key}}.

​
Request Body

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size
string
default:"2048x2048"
Specifies the dimensions of the generated image. Method 1: Specify resolution (2K, 4K). Method 2: Specify width and height in pixels (e.g., 2048x2048). Total pixel range: [3686400, 16777216]. Aspect ratio range: [1/16, 16].
​
image
array
Array of input image data, supporting URL or Base64 encoding. Up to 14 reference images supported. Supported image formats: jpeg, png, webp, bmp, tiff, gif.Array length: 1 - 14
​
prompt
string
required
Text prompt for image generation. Supports both Chinese and English. Recommended no more than 300 Chinese characters or 600 English words.
​
watermark
boolean
default:true
Whether to add a watermark to the generated image.
​
optimize_prompt_options
object
Configuration for the prompt optimization feature.
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sequential_image_generation
string
default:"disabled"
Controls whether to enable image sequence generation. auto: automatic mode where the model determines whether to return an image sequence based on the prompt. disabled: disables image sequence generation, producing only a single image.Possible values: auto, disabled
​
sequential_image_generation_options
object
Configuration for the image sequence generation feature. Only takes effect when sequential_image_generation is set to auto.

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Response

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images
array
Array of generated image data.