# KiteEndpoints.ai - YouTube to MP3 Converter

> KiteEndpoints.ai - YouTube to MP3 Converter is a paid API for AI agents from kite-solana.vercel.app, paid per call via x402, $0.15/call, status unknown (last checked 2026-10-31).

Converts a YouTube video URL into a downloadable MP3 audio file

## Facts

- Endpoint: POST https://kite-solana.vercel.app/api/youtube-mp3?utm_source=zero.xyz
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kiteendpoints-ai-youtube-to-mp3-converter-5e1677ab
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_TDHef7NdsnKZ8_MOmAL4a

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-5e1677ab -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 a quick, pay-per-use YouTube-to-MP3 conversion without managing your own infrastructure or YouTube API credentials. Suitable for on-demand conversions where batch processing is not required and cost per call is acceptable at $0.15 USDC.

## Known failure modes

- Invalid or malformed YouTube URL returns an error
- Video is region-locked or unavailable causing extraction failure
- Age-restricted or private videos may not be accessible
- Very long videos may time out during processing
- YouTube API changes may break extraction intermittently

## 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 object containing audio data or a download link for the MP3 file extracted from the specified YouTube video, wrapped in a result.data field.

## 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-5e1677ab/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kite-solana.vercel.app](https://www.zero.xyz/host/kite-solana.vercel.app/llms.txt)