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MusicBrainz vs Songsterr

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

APIMusicBrainzNEW—SongsterrNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
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 Songsterr: common questions

Which is more reliable, MusicBrainz or Songsterr?

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

Do MusicBrainz and Songsterr need an API key?

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

Can I call MusicBrainz and Songsterr from the browser?

Only MusicBrainz is browser-friendly — it returns CORS headers over HTTPS. Songsterr needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are MusicBrainz and Songsterr free for commercial use?

MusicBrainz allows commercial use on its free tier, and Songsterr 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.