# KiteEndpoints.ai - YouTube MP4 Downloader

> KiteEndpoints.ai - YouTube MP4 Downloader is a paid API for AI agents from kite-endpoints.vercel.app, paid per call via x402, $0.14/call, status unknown (last checked 2026-09-13).

Converts a YouTube video URL into a downloadable MP4 video file link

## Facts

- Endpoint: POST https://kite-endpoints.vercel.app/api/youtube-mp4
- Price: $0.14/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-mp4-downloader-d41b20a9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6tAS4M9n3_pf9fcKts5X6

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-mp4-downloader-d41b20a9 -d '<json body>'
```

Example prompt: Can you download this YouTube video as an MP4 for me? Here's the link: https://www.youtube.com/watch?v=dQw4w9WgXcQ

## When to prefer this

Choose this endpoint when you need to programmatically obtain an MP4 download of a YouTube video, especially in an agent workflow that pays per request via USDC on Base chain. Prefer this over generic video downloaders when working within the KiteEndpoints ecosystem for consistent billing and API access.

## Known failure modes

- Invalid or malformed YouTube URL returns an error
- Video is geo-restricted or age-gated and cannot be accessed
- Video has been deleted or made private, resulting in a not-found error
- YouTube rate limiting or anti-bot measures block the request
- Very long or high-resolution videos may time out
- DRM-protected or premium-only content may fail to extract

## 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 a result object containing a download URL or binary data for the MP4 video file corresponding to the provided YouTube video link, along with any metadata about the video such as title or format details.

## 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-mp4-downloader-d41b20a9/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)