# Rotary Agency MusicBrainz API

> Rotary Agency MusicBrainz API is a paid API for AI agents from rotaryagency.uk, paid per call via x402, $0.002/call, status down (last checked 2026-10-12).

Proxies MusicBrainz open music metadata lookups — artists, recordings, releases, labels — for a flat $0.002/call fee via x402 micropayment.

## Facts

- Endpoint: GET https://rotaryagency.uk/api/free/musicbrainz?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: down
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/rotary-agency-musicbrainz-api-f9deb0db
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_D0VqBZbhR6AE4vKMnl7G7

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 rotary-agency-musicbrainz-api-f9deb0db
```

Example prompt: Can you look up the MusicBrainz metadata for the artist Radiohead and give me their official name, country, and any available discography details?

## When to prefer this

Choose this endpoint when you need structured, open-source music metadata from MusicBrainz (artists, recordings, releases, labels) without setting up a direct MusicBrainz API integration, and want to pay per-call via x402 micropayments at $0.002/call with no subscription or API key management overhead.

## Known failure modes

- Entity not found in MusicBrainz database returns empty result or 404-equivalent JSON
- Ambiguous search query returns multiple candidate matches requiring disambiguation
- MusicBrainz upstream rate limit or downtime causes delayed or failed response
- Malformed query parameters result in error JSON
- Payment failure via x402 prevents request from being fulfilled

## How this service works

Free-source data APIs (100% margin, no proxy, $0.002/call): ...

## Output

Returns structured JSON from MusicBrainz containing entity-specific fields such as artist name, MBID, country, recording duration, release date, label name, and related linked entities depending on the query type.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "varies": "endpoint-specific structured JSON"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/rotary-agency-musicbrainz-api-f9deb0db/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from rotaryagency.uk](https://www.zero.xyz/host/rotaryagency.uk/llms.txt)