FFmpeg Media · FFmpeg Media

Extract AudioComing Soon

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

📌 What is this：Extract the audio track from a video.

💡 When to use：Use to get audio only (e.g. to mp3).

Endpoints

Usage	Method	Path
Submit task	POST	/v1/ffmpeg/extract_audio
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
inputUrl	string	Required	Input media URL, must be on the platform CDN allowlist (upload first to obtain it)
format	string	—	Audio format: mp3 / aac / wav, default mp3
webhookUrl	string	—	Completion webhook URL (optional)

Request Example

curl -X POST https://api.cqtai.com/v1/ffmpeg/extract_audio \
  -H 'Authorization: Bearer <API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{ "inputUrl": "https://cdn.novapi.ai/tmp/video.mp4", "format": "mp3" }'
# -> { "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 0.4 (audio baselined at 720P) (x your user rate). Auto-refunded on failure.