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POST
https://api.modelhunter.ai
/
api
/
v1
/
seedream
/
image-to-image
Image to Image
curl --request POST \
  --url https://api.modelhunter.ai/api/v1/seedream/image-to-image \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "<string>",
  "input": {
    "prompt": "<string>",
    "image": "<string>",
    "images": [
      "<string>"
    ],
    "size": "<string>",
    "seed": 123,
    "guidance_scale": 123,
    "watermark": true,
    "optimize_prompt": "<string>",
    "response_format": "<string>"
  },
  "webhookUrl": "<string>",
  "metadata": {}
}
'
{
  "success": true,
  "data": {
    "id": "task_abc123",
    "status": "pending",
    "type": "image-to-image",
    "provider": "seedream",
    "model": "seededit-3-0-i2i",
    "created_at": "2026-01-15T10:00:00Z",
    "estimated_seconds": 10
  }
}

​
Body Parameters

​
model
string
required
Seedream model. Options:
  • seedream-4-5 — Latest flagship, multi-image reference input (up to 14), $0.04/image
  • seedream-4-0 — Multi-image reference input (up to 14), $0.03/image
  • seededit-3-0-i2i — Image editing with adaptive sizing, $0.02/image
​
input
object
required
Input parameters for the generation.
​
webhookUrl
string
URL to receive a webhook when the task completes.
​
metadata
object
Custom key-value metadata to attach to the task.
{
  "success": true,
  "data": {
    "id": "task_abc123",
    "status": "pending",
    "type": "image-to-image",
    "provider": "seedream",
    "model": "seededit-3-0-i2i",
    "created_at": "2026-01-15T10:00:00Z",
    "estimated_seconds": 10
  }
}