# AcoustID

**Canonical:** https://apis.io/providers/acoustid/  
**Website:** https://acoustid.org/  
**APIs profiled:** 1

AcoustID is an open-source audio fingerprinting service providing a REST API for identifying music tracks by audio fingerprint and linking results to MusicBrainz metadata records. Built on the Chromaprint library, it offers a crowdsourced fingerprint database free for non-commercial use, with commercial plans available through AcoustID OÜ.

## Kin Score — 22.6 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 22.6).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (1)

- **AcoustID Web Service API** — REST API for audio fingerprint lookup and submission. Accepts Chromaprint-generated fingerprints and returns AcoustID track identifiers along with linked MusicBrainz metadata in...

## Security (1)

- **Acoustid Domain Security** — TLSv1.3 · HSTS

## Plans (1)

- **Acoustid Plans Pricing**

## Tags

Audio, Fingerprinting, Music, MusicBrainz, Open-Source, Identification

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/acoustid/). Scores are computed from the provider's own public artifacts under a published rubric.