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POST
/
api
/
v1
/
task
/
submit
curl --request POST \
  --url https://api.maxapi.io/api/v1/task/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "model": "seedream-4.5",
  "callBackUrl": "https://example.com/webhook",
  "input": {
    "prompt": "Transform to watercolor style",
    "imageUrls": ["https://example.com/photo.jpg"],
    "ratio": "16:9",
    "resolution": "2k"
  }
}'

{
  "code": 0,
  "msg": "ok",
  "data": {
    "taskId": "c3d4e5f6-a7b8-9012-cdef-234567890abc"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.maxapi.io/llms.txt

Use this file to discover all available pages before exploring further.

Uses the same models as Text to Image. When the input contains an imageUrls field, it automatically switches to image-to-image mode.
​
model
string
required
Model name, e.g. seedream-4.5. Uses the same models as Text to Image.
​
callBackUrl
string
Webhook callback URL.
​
input
object
required
curl --request POST \
  --url https://api.maxapi.io/api/v1/task/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "model": "seedream-4.5",
  "callBackUrl": "https://example.com/webhook",
  "input": {
    "prompt": "Transform to watercolor style",
    "imageUrls": ["https://example.com/photo.jpg"],
    "ratio": "16:9",
    "resolution": "2k"
  }
}'

{
  "code": 0,
  "msg": "ok",
  "data": {
    "taskId": "c3d4e5f6-a7b8-9012-cdef-234567890abc"
  }
}

​
Query Result

Retrieve the generation result via the Query Task endpoint or Webhook: 
{
  "code": 0,
  "msg": "ok",
  "data": {
    "taskId": "c3d4e5f6-a7b8-9012-cdef-234567890abc",
    "status": "SUCCESS",
    "input": {
      "model": "seedream-4.5",
      "prompt": "Transform to watercolor style",
      "imageUrls": ["https://example.com/photo.jpg"],
      "ratio": "16:9",
      "resolution": "2k"
    },
    "result": {
      "type": "image",
      "urls": [
        "https://example.com/output/result1.png",
        "https://example.com/output/result2.png"
      ]
    },
    "created_at": "2026-02-10T22:00:00.000000Z",
    "updated_at": "2026-02-10T22:00:15.000000Z"
  }
}