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POST
/
bytedance
/
seedream-4.5-i2i
Seedream 4.5 I2I
curl --request POST \
  --url https://api.modellix.ai/api/v1/bytedance/seedream-4.5-i2i \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "<string>",
  "image": [
    "<string>"
  ]
}
'
{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-abc123",
    "model_id": "model-123",
    "get_result": {
      "method": "GET",
      "url": "https://api.modellix.ai/api/v1/tasks/task-abc123"
    }
  }
}

Authorizations

​
Authorization
string
header
required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json
​
prompt
string
required

Description of the desired output. We recommend keeping the prompt under 600 words. Excessively long prompts may scatter information, causing the model to overlook details and focus only on major elements, which can result in missing details in the generated image.

Required string length: 1 - 10000
​
image
string[]
required

Input image array (1-14 images). Each image must be <= 10 MB. Supported formats: JPEG, PNG, WEBP, BMP, TIFF, GIF.

Required array length: 1 - 14 elements
​
size
string
default:2048x2048

Output size in pixels.

​
sequential_image_generation
enum<string>
default:disabled

Enable or disable sequential image generation.

Available options:
auto,
disabled
​
sequential_image_generation_max_images
integer
default:5

Maximum number of images for sequential generation.

Required range: 1 <= x <= 15
​
optimize_prompt_mode
enum<string>
default:standard

Mode for optimizing the input prompt.

Available options:
standard

Response

200 - application/json

Task submitted successfully

​
code
integer
required

Response code, 0 indicates success

Example:

0

​
message
string
required

Response message

Example:

"success"

​
data
object
required

Detailed data about the submitted asynchronous task.