MusicBrainz vs TheAudioDB

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d90.2%100%
Uptime · 30d86.7%100%
P50 · ms660195
P95 · ms4770562
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCore data CC0; some supplementary data CC BY-NC-SA 3.0Unverified
Free tierFree — no key requiredFree — limits not published
Rate limit~1 request/second per IP; descriptive User-Agent requiredUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MusicBrainz vs TheAudioDB: common questions

Which is more reliable, MusicBrainz or TheAudioDB?

On our scheduled checks, TheAudioDB leads on measured uptime — MusicBrainz at 90.2% versus TheAudioDB at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, MusicBrainz or TheAudioDB?

TheAudioDB has the lower median latency in our checks — MusicBrainz responds in 660 ms versus TheAudioDB at 195 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do MusicBrainz and TheAudioDB need an API key?

Neither needs a paid key — MusicBrainz is callable with no signup, and TheAudioDB is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call MusicBrainz and TheAudioDB from the browser?

Yes — both MusicBrainz and TheAudioDB send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are MusicBrainz and TheAudioDB free for commercial use?

MusicBrainz allows commercial use on its free tier, and TheAudioDB has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.