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Blockbuster.ai YouTube MP3 Audio Extractor
x402
Blockbuster.ai YouTube MP3 Audio Extractor is a paid API for AI agents from blockbuster-ai.vercel.app, paid per call via x402, $0.07/call, status unknown (last checked 2026-09-14).
Converts a YouTube video into a downloadable MP3 audio file given a video URL or search query
Price / call$0.07
Success—
StatusUnknown
How this service works
115+ premium paid endpoints: Social Media, AI/ML, E-commerce, Finance, Data Intelligence, Media, Tools. x402 micropayments on Base chain.
Output
Returns a data object containing a link or binary data for the extracted MP3 audio, along with a success boolean indicating whether the conversion completed successfully.
Example use cases
Example prompt
“Can you download the audio from this YouTube video as an MP3? Here's the link: https://www.youtube.com/watch?v=dQw4w9WgXcQ”
Technical details
Endpoint
POSThttps://blockbuster-ai.vercel.app/api/youtube-mp3-audioWhen to prefer
Use this endpoint when an agent needs to extract or download audio from a YouTube video as an MP3 file, especially in workflows involving podcast archiving, offline listening, audio transcription pipelines, or music extraction. Prefer this over generic media conversion tools when the source is specifically YouTube.
Side effects
- Invalid or non-existent YouTube URL returns error
- Video is age-restricted or private and cannot be accessed
- YouTube rate limiting or geo-blocking prevents access
- Video has no audio track
- Query string does not resolve to a valid video
- Payment failure via x402 micropayment on Base chain
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Input parameter for the API call |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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