FFmpeg Media · FFmpeg Media

ConcatComing Soon

🚧 Coming soon — docs preview only, online run not yet available.

📌 What is this：Join multiple videos into one, in order.

💡 When to use：Use to join clips (same codec & resolution required).

Endpoints

Usage	Method	Path
Submit task	POST	/v1/ffmpeg/concat
Query Result	GET	/v1/ffmpeg/info?id={taskId}

⏱ Recommended polling interval：Poll every 3-5s (response includes progress 0-100) until status = succeeded / failed. Single-task timeout is 300s with auto-refund.

Request Parameters

Param	Type	Required	Description
inputUrls	string[]	Required	Video URL array, 2-10; same codec & resolution
webhookUrl	string	—	Completion webhook URL (optional)

Request Example

curl -X POST https://api.cqtai.com/v1/ffmpeg/concat \
  -H 'Authorization: Bearer <API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{ "inputUrls": ["https://cdn.novapi.ai/tmp/a.mp4", "https://cdn.novapi.ai/tmp/b.mp4"] }'
# -> { "code":200, "data":"<taskId>" }

Response Example

{
  "code": 200,
  "msg": "success",
  "data": {
    "taskId": "<taskId>",
    "operation": "transcode",
    "status": "succeeded",
    "progress": 100,
    "resultUrl": "https://cdn.novapi.ai/ffmpeg/xxx.mp4",
    "costPoints": 3,
    "errorMsg": null
  }
}

Billing & Credits

Factor 1.0, billed by total input length (x your user rate). Auto-refunded on failure.