Media Caption Public API
REST API for fetching public YouTube transcripts synchronously and in bulk, with account/balance endpoints, job polling, and completion webhooks. Bearer API key or X-API-Key auth.
Documentation
Documentation
https://www.mediacaption.io/docs
GettingStarted
https://www.mediacaption.io/docs/quickstart
APIReference
https://www.mediacaption.io/docs/api-reference/transcripts
Specifications
OpenAPI
https://www.mediacaption.io/docs/openapi/mediacaption.v1.yaml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/mediacaption-api/refs/heads/main/openapi/mediacaption-api-openapi.yaml