Agent Body YouTube Transcript

Name: Agent Body YouTube Transcript
Availability: InStock
Author: Agent Body

https://api.sandbase.ai/v1/api/agentbody/youtube-transcript

Extracts text and timed segments from YouTube manual or automatic subtitle tracks. Allows language selection for multilingual videos.

Use in agent Get API key

Price: Free
Method: POST
Response: JSON
Parameters: 1 required · 1 optional

Production route

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Playground

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Input

Video URL(string)

The YouTube video URL to extract subtitles from.

Language(string)

Requested subtitle language code (e.g. en, zh, ja). If omitted, returns the default track.

OutputExample

Responseoutputs · 8.6 KB · 313 lines

{
  "caption_type": "manual",
  "language": "en",
  "segments": [
    {
      "end_ms": 3040,
      "start_ms": 1360,
      "text": "[♪♪♪]"
    },
    {
      "end_ms": 21880,
      "start_ms": 18640,
      "text": "♪ We're no strangers to love ♪"
    },
    {
      "end_ms": 26960,
      "start_ms": 22640,
      "text": "You know the rules and so do I ♪"
    },
    {
      "end_ms": 31040,
      "start_ms": 27040,
      "text": "A full commitment's what I'm thinking of ♪"
    },
    {
      "end_ms": 35080,
      "start_ms": 31120,
      "text": "You wouldn't get this from any other guy ♪"
    },
    {
      "end_ms": 39520,
      "start_ms": 35160,
      "text": "I just wanna tell you how I'm feeling ♪"
    },
    {
      "end_ms": 42920,
      "start_ms": 40520,
      "text": "Gotta make you understand ♪"
    },
    {
      "end_ms": 45120,
      "start_ms": 43000,
      "text": "Never gonna give you up ♪"
    },
    {
      "end_ms": 47080,
      "start_ms": 45200,
      "text": "Never gonna let you down ♪"
    },
    {
      "end_ms": 51120,
      "start_ms": 47320,
      "text": "Never gonna run around and desert you ♪"
    },
    {
      "end_ms": 53480,
      "start_ms": 51480,
      "text": "Never gonna make you cry ♪"
    },
    {
      "end_ms": 55520,
      "start_ms": 53600,
      "text": "Never gonna say goodbye ♪"
    },
    {
      "end_ms": 59360,
      "start_ms": 55720,
      "text": "Never gonna tell a lie and hurt you ♪"
    },
    {
      "end_ms": 64800,
      "start_ms": 60800,
      "text": "We've known each other for so long ♪"
    },
    {
      "end_ms": 69040,
      "start_ms": 64880,
      "text": "Your heart's been aching but you're too shy to say it ♪"
    },
    {
      "end_ms": 72960,
      "start_ms": 69120,
      "text": "Inside we both know what's been going ♪"
    },
    {
      "end_ms": 77200,
      "start_ms": 73360,
      "text": "We know the game and we're gonna play it ♪"
    },
    {
      "end_ms": 82040,
      "start_ms": 77400,
      "text": "And if you ask me how I'm feeling ♪"
    },
    {
      "end_ms": 85240,
      "start_ms": 82400,
      "text": "Don't tell me you're too blind to see ♪"
    },
    {
      "end_ms": 87280,
      "start_ms": 85320,
      "text": "Never gonna give you up ♪"
    },
    {
      "end_ms": 89320,
      "start_ms": 87360,
      "text": "Never gonna let you down ♪"
    },
    {
      "end_ms": 93720,
      "start_ms": 89440,
      "text": "Never gonna run around and desert you ♪"
    },
    {
      "end_ms": 95600,
      "start_ms": 93800,
      "text": "Never gonna make you cry ♪"
    },
    {
      "end_ms": 98000,
      "start_ms": 95760,
      "text": "Never gonna say goodbye ♪"
    },
    {
      "end_ms": 102040,
      "start_ms": 98080,
      "text": "Never gonna tell a lie and hurt you ♪"
    },
    {
      "end_ms": 104120,
      "start_ms": 102200,
      "text": "Never gonna give you up ♪"
    },
    {
      "end_ms": 106360,
      "start_ms": 104280,
      "text": "Never gonna let you down ♪"
    },
    {
      "end_ms": 110080,
      "start_ms": 106480,
      "text": "Never gonna run around and desert you ♪"
    },
    {
      "end_ms": 112720,
      "start_ms": 110760,
      "text": "Never gonna make you cry ♪"
    },
    {
      "end_ms": 114680,
      "start_ms": 112800,
      "text": "Never gonna say goodbye ♪"
    },
    {
      "end_ms": 118760,
      "start_ms": 114960,
      "text": "Never gonna tell a lie and hurt you ♪"
    },
    {
      "end_ms": 122960,
      "start_ms": 119840,
      "text": "(Ooh, give you up) ♪"
    },
    {
      "end_ms": 127360,
      "start_ms": 123720,
      "text": "(Ooh, give you up) ♪"
    },
    {
      "end_ms": 130120,
      "start_ms": 128480,
      "text": "Never gonna give, never gonna give ♪"
    },
    {
      "end_ms": 131560,
      "start_ms": 130240,
      "text": "(Give you up) ♪"
    },
    {
      "end_ms": 134240,
      "start_ms": 132480,
      "text": "Never gonna give, never gonna give ♪"
    },
    {
      "end_ms": 135920,
      "start_ms": 134360,
      "text": "(Give you up) ♪"
    },
    {
      "end_ms": 141080,
      "start_ms": 136760,
      "text": "We've known each other for so long ♪"
    },
    {
      "end_ms": 145200,
      "start_ms": 141200,
      "text": "Your heart's been aching but you're too shy to say it ♪"
    },
    {
      "end_ms": 149120,
      "start_ms": 145280,
      "text": "Inside we both know what's been going ♪"
    },
    {
      "end_ms": 153200,
      "start_ms": 149520,
      "text": "We know the game and we're gonna play it ♪"
    },
    {
      "end_ms": 158040,
      "start_ms": 153360,
      "text": "I just wanna tell you how I'm feeling ♪"
    },
    {
      "end_ms": 161320,
      "start_ms": 158640,
      "text": "Gotta make you understand ♪"
    },
    {
      "end_ms": 163360,
      "start_ms": 161400,
      "text": "Never gonna give you up ♪"
    },
    {
      "end_ms": 165640,
      "start_ms": 163440,
      "text": "Never gonna let you down ♪"
    },
    {
      "end_ms": 169720,
      "start_ms": 165720,
      "text": "Never gonna run around and desert you ♪"
    },
    {
      "end_ms": 171640,
      "start_ms": 169800,
      "text": "Never gonna make you cry ♪"
    },
    {
      "end_ms": 173960,
      "start_ms": 171800,
      "text": "Never gonna say goodbye ♪"
    },
    {
      "end_ms": 177600,
      "start_ms": 174040,
      "text": "Never gonna tell a lie and hurt you ♪"
    },
    {
      "end_ms": 180240,
      "start_ms": 178200,
      "text": "Never gonna give you up ♪"
    },
    {
      "end_ms": 182440,
      "start_ms": 180320,
      "text": "Never gonna let you down ♪"
    },
    {
      "end_ms": 186640,
      "start_ms": 182520,
      "text": "Never gonna run around and desert you ♪"
    },
    {
      "end_ms": 188720,
      "start_ms": 186720,
      "text": "Never gonna make you cry ♪"
    },
    {
      "end_ms": 190720,
      "start_ms": 188840,
      "text": "Never gonna say goodbye ♪"
    },
    {
      "end_ms": 195200,
      "start_ms": 190840,
      "text": "Never gonna tell a lie and hurt you ♪"
    },
    {
      "end_ms": 197120,
      "start_ms": 195280,
      "text": "Never gonna give you up ♪"
    },
    {
      "end_ms": 199240,
      "start_ms": 197200,
      "text": "Never gonna let you down ♪"
    },
    {
      "end_ms": 203120,
      "start_ms": 199400,
      "text": "Never gonna run around and desert you ♪"
    },
    {
      "end_ms": 205600,
      "start_ms": 203360,
      "text": "Never gonna make you cry ♪"
    },
    {

Examples

Select an example to load its inputs and result into the playground.

Model card

Specifications

Pricing

Base price: Free

Request & response

Method: POST
Request body: application/json
Response: application/json
Execution: sync

Parameters

url: string · required
language: string · optional

Access

Provider: Agent Body
API: Platform API
Base URL: https://api.sandbase.ai
Endpoint: /v1/api/agentbody/youtube-transcript
Authentication: Bearer API key

API README

Agent Body YouTube Transcript API

Retrieve subtitle text and timed segments for any video by providing a YouTube url. An optional language parameter selects a specific subtitle track.

Use cases

Extract timestamped transcripts from YouTube videos for summarization workflows.
Retrieve multilingual subtitles by specifying a target language code.
Parse video dialogue for keyword search and content analysis.

Request

curl -X POST "https://api.sandbase.ai/v1/api/agentbody/youtube-transcript" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "<url>"}'

Parameters

Name	Type	Required	Description
`url`	string	Yes	The YouTube video URL to extract subtitles from.
`language`	string	No	Requested subtitle language code (e.g. en, zh, ja).

Notes

Provide the target subtitle language using code values such as en, zh, or ja via language.
If language is omitted, the default track is returned.

Start building

Send your first request

Platform API endpoint with unified authentication and usage tracking.

Production API

Platform API endpoint

https://api.sandbase.ai/v1/api/agentbody/youtube-transcript

Authorization header

Authorization: Bearer $SANDBASE_API_KEY

# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/api/agentbody/youtube-transcript" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "url": "https://static.sandbase.ai/examples/d9a902af-55e3-4d3b-a6c9-f2bc40d8606a/input/74c0db98-4ceb-4ade-88ba-0972b8dc6437.bin"
}
SANDBASE_JSON
)
printf '%s\n' "$result"

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Questions

FAQ

How do I use the Agent Body YouTube Transcript API?

Send a POST request to https://api.sandbase.ai/v1/api/agentbody/youtube-transcript with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

How much does the Agent Body YouTube Transcript API cost?

Agent Body YouTube Transcript is free to call on SandBase. You only need a SandBase account and API key.

What parameters does the Agent Body YouTube Transcript API accept?

Required: url (string). Optional: language (string). The Parameters table and the Playground on this page list every field.

What does the Agent Body YouTube Transcript API return?

A JSON response returned in the same HTTP request (synchronous).

Do I need a Agent Body developer account or API key?

No. Agent Body YouTube Transcript runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for Agent Body API access separately.