The AcousticBrainz API provides access to music feature data, including low-level and high-level semantic descriptors derived from audio files. It allows users to retrieve information about musical characteristics such as rhythm, tonality, and mood, which can be utilized in music analysis and classification tasks.
Verified 4 days ago: 63% uptime
API key
Unconfirmed
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Live · 76/100
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
A starting template for AcousticBrainz API. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Authentication requirement is unconfirmed. Check the documentation before relying on this.
curl -s "https://acousticbrainz.org/ENDPOINT" \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Aggregated from one public source (freepublicapis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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Answered from what our own scheduled checks found, not from the provider's marketing.
AcousticBrainz API is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
AcousticBrainz API requires some form of authentication. Check the provider's documentation for which scheme it expects.
Not directly. AcousticBrainz API did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Yes, as of 2026-09-18. Our automated check reached AcousticBrainz API and recorded a 63% reliability score with a median response time of 1027 ms. We re-check on a schedule, and this page updates with the result.
Yes. AcousticBrainz API serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.