Long Image to Square

Split and stitch a vertical long image into a square image that is more suitable for square-first publishing platforms.

Create Task

Basic Information

Item	Value
Request Method	POST
Request Path	/task/image_to_square
Content-Type	application/json
Authentication	Raw API key in the Authorization header

Request Body

Parameter	Type	Required	Default	Description
file_id	string	Yes	-	Uploaded image file ID
max_line	number	No	4000	Maximum output edge length in pixels, up to 20000

Request Example

curl -X POST https://api.ai-mcn.tv:10000/task/image_to_square \
  -H "Authorization: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "file_id": "537489015178246",
    "max_line": 4000
  }'

Success Example

{
  "code": 200,
  "msg": "success",
  "data": {
    "task_id": "537489015178247",
    "task_type": "image_to_square",
    "status": "queued"
  }
}

---

Query Task Result

Basic Information

Item	Value
Request Method	GET
Request Path	/task/image_to_square/{task_id}
Authentication	Raw API key in the Authorization header

Output Result (output_result)

Parameter	Type	Description
file_id	string	Processed image file ID
download_url	string	Download path for the generated image

Success Example

{
  "code": 200,
  "msg": "success",
  "data": {
    "task_id": "537489015178247",
    "status": "completed",
    "progress": 100,
    "output_result": {
      "file_id": "537489015178248",
      "download_url": "/download/a1/output.jpg"
    },
    "create_time": "2026-04-05T08:00:00Z",
    "update_time": "2026-04-05T08:00:05Z"
  }
}

Error Codes

Error Code	HTTP Status	Description	Resolution
6013	400	Missing file_id	Pass the file_id field
6014	400	File type does not match the task	Upload an image file
6004	404	File not found	Verify the file_id
6502	401	Authentication failed	Check the Authorization header
6202	402	Insufficient balance	Recharge in the Dashboard