Get the transcript of a YouTube video (or another site with captions) from its o
Get the transcript of a YouTube video (or another site with captions) from its own captions in seconds: no speech recognition, flat price per video. Returns txt, srt, vtt or JSON segments with title and language. Videos without captions are refused before payment; use /v1/transcribe for those.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
5536 msmedian answer time
$0.003listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.language123.net/v1/youtube-transcript
| Category | Image and media |
|---|---|
| Provider host | api.language123.net |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.002 | 5536 ms |
Example input (from the provider)
{
"body": {
"format": "txt",
"url": "https://www.youtube.com/watch?v=jNQXAC9IVRw"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"format": {
"description": "Default txt",
"enum": [
"txt",
"srt",
"vtt",
"json"
],
"type": "string"
},
"url": {
"description": "Video URL with captions (YouTube watch/shorts/youtu.be links, or another site yt-dlp supports)",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}