YouTube Video Audio API
Returns the downloadable audio streams for a video, each with a direct media URL, mime type, bitrate, audio quality, sample rate, channels, and duration.
50 credits a call · single call · failed calls free · 10 free calls to start
curl "https://api.insightsocial.app/v1/youtube/video/audio?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdQw4w9WgXcQ" \-H "x-api-key: $INSIGHTSOCIAL_API_KEY"
When to use it
Use it to grab a video's audio on its own; the URLs are time-limited, so fetch them straight away rather than storing them.
Parameters
Query parameters for GET /v1/youtube/video/audio. Send your key in the x-api-key header.
| Name | Required | Description |
|---|---|---|
| url | Yes | Full URL of the YouTube video. |
Response
This endpoint returns the platform's own fields in data, in snake_case, rather than a unified post or profile. The reference page lists them.
Every field, error and example is in the YouTube Video Audio API reference.
How much does the YouTube Video Audio API cost?
50 credits per successful call.
Failed calls are free
A call that errors or finds nothing costs 0 credits.
Know the price first
Add dry_run=1 and the response quotes the call without making it. Nothing is charged.
One balance
API calls and Chrome extension exports share the same credits, on the free plan too.
YouTube Video Audio API: frequently asked questions
Send GET /v1/youtube/video/audio with the url parameter and your key in the x-api-key header. Returns the downloadable audio streams for a video, each with a direct media URL, mime type, bitrate, audio quality, sample rate, channels, and duration.
50 credits per successful call. A call that errors or finds nothing costs 0 credits, and an answer from the shared cache costs 2. Pro's 10,000 monthly credits cover about 200 calls at 50 credits each. Add dry_run=1 to see the price of a call without making it.
No. There is no YouTube app, OAuth flow or app review. One InsightSocial API key works for this endpoint and every other platform, and your first 10 calls priced at 100 credits or less are free.
One call returns the data in the data object of the standard response envelope. Fields the platform did not provide are listed in unavailable, so a null there means unknown, not zero.
You get an error or an empty result, and it costs 0 credits. The API reads public YouTube data only, so private accounts and deleted content come back as not found rather than as partial data.
Yes. Add the hosted MCP server at https://api.insightsocial.app/mcp to your AI app and sign in. The assistant finds this endpoint by name, shows its price and calls it with your credits.
More YouTube endpoints
- YouTube Video API10 credits
- YouTube Video Sponsors API100 credits
- YouTube Video Comments API10 credits
- YouTube Video Comment Replies API10 credits
- YouTube Video Transcript API30 credits
- YouTube Video Files API50 credits
- YouTube Video Subtitles API10 credits
- YouTube Video Thumbnails API10 credits
- YouTube Channel API10 credits
- YouTube Channel About API250 credits
- YouTube Channel Videos API10–20 credits
- YouTube Search API10–150 credits