YouTube Subtitles API
List all subtitle and caption tracks for any YouTube video — language codes, names, and translatability. Localization planning from $0.01/call.
Retrieve a list of all available subtitle and caption tracks for a given video, including language names, language codes, and whether each track is translatable.
Try it live
Fill in the fields and hit Run to see a real response.
{
"ok": true,
"data": {
"subtitles": [
{
"languageName": "English",
"languageCode": "en",
"isTranslatable": true
},
{
"languageName": "Spanish",
"languageCode": "es",
"isTranslatable": true
}
]
}
}Features
Use cases
Language Detection
Determine which languages a video supports before fetching transcripts.
Localization Workflow
Check subtitle availability to plan localization and translation pipelines.
Content Filtering
Filter video libraries by available subtitle languages for multilingual platforms.
Quick start
Copy this snippet and start making calls.
const res = await fetch('https://api.yepapi.com/v1/youtube/subtitles', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"id": "dQw4w9WgXcQ"
}),
});
const data = await res.json();
console.log(data);What developers say
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“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
Retrieve a list of all available subtitle and caption tracks for a given video, including language names, language codes, and whether each track is translatable.
Each API call costs $0.01. No monthly minimums or subscriptions — you only pay for what you use.
Sign up for a free API key, then send a POST request to /v1/youtube/subtitles. Check the code example above for a ready-to-use snippet in JavaScript, cURL, or Python.
YepAPI bundles SEO, AI, and web scraping APIs under one key with no monthly minimums. You get lower per-call pricing, a unified dashboard, and one billing account instead of managing multiple providers.
Ready to integrate?
Get your API key and start making calls in 30 seconds. $5 free credit on signup — no credit card required.
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