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Metropolitan Museum of Art vs MusicBrainz

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

APIMetropolitan Museum of ArtNEW—MusicBrainzNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseCC0 1.0 (Open Access data)Core data CC0; some supplementary data CC BY-NC-SA 3.0
Free tierFree, no API key requiredFree — no key required
Rate limit80 requests/second (requested in docs)~1 request/second per IP; descriptive User-Agent required
In directory since2026-07-052026-07-05
operationalpartialdownno data

Metropolitan Museum of Art vs MusicBrainz: common questions

Which is more reliable, Metropolitan Museum of Art or MusicBrainz?

On our scheduled checks, MusicBrainz leads on measured uptime — Metropolitan Museum of Art at —% versus MusicBrainz 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 Metropolitan Museum of Art and MusicBrainz need an API key?

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

Can I call Metropolitan Museum of Art and MusicBrainz from the browser?

Yes — both Metropolitan Museum of Art and MusicBrainz 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 Metropolitan Museum of Art and MusicBrainz free for commercial use?

Metropolitan Museum of Art allows commercial use on its free tier, and MusicBrainz allows commercial use on its free tier. 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.