RelayAPI

Extract YouTube video transcript

Extracts captions/subtitles from a YouTube video. Returns segments with timestamps and the full concatenated text. Responds with 200 if ready immediately, or 202 with a job_id to poll.

POST
/v1/tools/youtube/transcript
AuthorizationBearer <token>

API key (rlay_live_* or rlay_test_*)

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

curl -X POST "https://example.com/v1/tools/youtube/transcript" \  -H "Content-Type: application/json" \  -d '{    "url": "string"  }'
{  "success": true,  "video_id": "string",  "language": "string",  "is_auto_generated": true,  "segments": [    {      "text": "string",      "start": 0,      "duration": 0    }  ],  "full_text": "string"}
{  "job_id": "string",  "status": "processing",  "poll_url": "string"}
{  "error": {    "code": "string",    "message": "string",    "details": {      "property1": null,      "property2": null    }  }}
{  "error": {    "code": "string",    "message": "string",    "details": {      "property1": null,      "property2": null    }  }}
{  "error": {    "code": "string",    "message": "string",    "details": {      "property1": null,      "property2": null    }  }}

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