Extract an existing YouTube subtitle track
youtube
Extract an existing YouTube subtitle track
Use this operation to extract an existing youtube subtitle track. Authenticate with Authorization: Bearer <AGENTBODY_API_KEY>. Use this existing-caption operation before any separately billed transcription. A 422 means captions are unavailable; select another resource or obtain explicit approval for an alternative, and do not retry unchanged. Correct a 400 invalid-input error; do not retry unchanged. Retry only declared 502, 503, or 504 responses with backoff.
GET
Extract an existing YouTube subtitle track
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Query Parameters
A publicly reachable HTTPS URL. Do not submit private, authenticated, redirect-only, or user-specific URLs.
Optional BCP 47 language preference, such as en. Omit it to accept the source language.
Maximum string length:
35