Remove Black Borders

Automatically detect and crop black borders around a video while preserving the original audio track.

Create Task

Basic Information

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

Request Body

Parameter	Type	Required	Default	Description
file_id	string	Yes	-	Uploaded video file ID

Request Example

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

Success Example

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

---

Query Task Result

Basic Information

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

Output Result (output_result)

Parameter	Type	Description
file_id	string	Processed video file ID
original_size	string	Original video size
cropped_size	string	Cropped video size
removed_borders.top	number	Cropped pixels from the top
removed_borders.bottom	number	Cropped pixels from the bottom
removed_borders.left	number	Cropped pixels from the left
removed_borders.right	number	Cropped pixels from the right

Success Example

{
  "code": 200,
  "msg": "success",
  "data": {
    "task_id": "537489015178247",
    "status": "completed",
    "progress": 100,
    "output_result": {
      "file_id": "537489015178248",
      "original_size": "1920x1080",
      "cropped_size": "1920x1050",
      "removed_borders": {
        "top": 15,
        "bottom": 15,
        "left": 0,
        "right": 0
      }
    },
    "create_time": "2026-04-05T08:00:00Z",
    "update_time": "2026-04-05T08:00:30Z"
  }
}

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 a video 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