# KiteEndpoints.ai - YouTube to MP3 Converter

> KiteEndpoints.ai - YouTube to MP3 Converter is a paid API for AI agents from kite-endpoints.vercel.app, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-13).

Converts a YouTube video URL into a downloadable MP3 audio file

## Facts

- Endpoint: POST https://kite-endpoints.vercel.app/api/youtube-mp3
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kiteendpoints-ai-youtube-to-mp3-converter-390af37a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_azw6wAGwvVRFLRVFIvmcM

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability kiteendpoints-ai-youtube-to-mp3-converter-390af37a -d '<json body>'
```

Example prompt: Can you convert this YouTube video to an MP3 for me? Here's the link: https://www.youtube.com/watch?v=dQw4w9WgXcQ

## When to prefer this

Use this endpoint when you need to extract or download audio from a YouTube video as an MP3 file without building your own media pipeline. Ideal for agents automating media download tasks, content archival, or offline audio access workflows, paid per-request via USDC on Base chain with no subscription required.

## Known failure modes

- Invalid or non-existent YouTube URL returns an error
- Age-restricted or private videos may fail to process
- Region-locked content may be inaccessible
- Video too long may time out or be refused
- YouTube API rate limiting or blocking could cause failures
- Malformed input URL leads to processing error

## How this service works

400+ paid API endpoints. Social media, AI, crypto, finance, weather, ecommerce, tools. Pay per request with USDC on Base chain.

## Output

Returns an MP3 audio file or a download URL pointing to the extracted audio from the specified YouTube video, wrapped in a result object.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "example": {
  "result": {
   "data": "example response"
  }
 },
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kiteendpoints-ai-youtube-to-mp3-converter-390af37a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kite-endpoints.vercel.app](https://www.zero.xyz/host/kite-endpoints.vercel.app/llms.txt)