# KiteEndpoints.ai - Sonoteller

> KiteEndpoints.ai - Sonoteller is a paid API for AI agents from kite-endpoints.vercel.app, paid per call via x402, $0.16/call, status unknown (last checked 2026-09-15).

Analyzes a song or audio track to extract music metadata, tags, and descriptive attributes via the Sonoteller service

## Facts

- Endpoint: POST https://kite-endpoints.vercel.app/api/sonoteller
- Price: $0.16/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kiteendpoints-ai-sonoteller-db4c62de
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nIvv6ewk9VGmyfASLS94c

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-sonoteller-db4c62de -d '<json body>'
```

Example prompt: Can you analyze this song and tell me its genre, mood, and key descriptive tags? Here's the track: 'https://example.com/mysong.mp3'

## When to prefer this

Choose this endpoint when you need automated music tagging, genre classification, or mood analysis for a song or audio track. It is particularly useful for music library organization, playlist curation, recommendation systems, or any workflow that needs structured descriptive metadata extracted from audio content.

## Known failure modes

- Invalid or inaccessible audio URL returns an error result
- Unsupported audio format may cause analysis failure
- Rate limits or payment issues result in 402 responses
- Ambiguous or very short audio clips may produce low-confidence tags
- Network timeout if the audio file is large or slow to fetch

## 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 structured result object containing music analysis data such as genre tags, mood descriptors, tempo, energy level, and other audio attributes generated by Sonoteller's analysis engine.

## 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-sonoteller-db4c62de/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)