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MusicBrainz vs Spotify Web API

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

APIMusicBrainzHEALTHY82Spotify Web APIREACHABLE100
Uptime · 30d
Uptime · 90d90.4%100%
Uptime · 30d86.7%100%
P50 · ms64873
P95 · ms47701661
Authnoneoauth
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCore data CC0; some supplementary data CC BY-NC-SA 3.0Unverified
Free tierFree — no key requiredOAuth app registration — free tier
Rate limit~1 request/second per IP; descriptive User-Agent requiredUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MusicBrainz vs Spotify Web API: common questions

Which is more reliable, MusicBrainz or Spotify Web API?

On our scheduled checks, Spotify Web API leads on measured uptime — MusicBrainz at 90.4% versus Spotify Web API 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 Spotify Web API?

Spotify Web API has the lower median latency in our checks — MusicBrainz responds in 648 ms versus Spotify Web API at 73 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 Spotify Web API need an API key?

MusicBrainz needs no key, while Spotify Web API requires OAuth. If you want to start calling without signup, reach for MusicBrainz first.

Can I call MusicBrainz and Spotify Web API from the browser?

Yes — both MusicBrainz and Spotify Web API 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 Spotify Web API free for commercial use?

MusicBrainz allows commercial use on its free tier, and Spotify Web API 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.