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Art Institute of Chicago vs Metropolitan Museum of Art

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

APIArt Institute of ChicagoHEALTHY66Metropolitan Museum of ArtHEALTHY72
Uptime · 30d
Uptime · 90d98.9%100%
Uptime · 30d96.6%100%
P50 · ms584409
P95 · ms49393936
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseCC0 1.0 for metadata; 'description' field is CC-BY 4.0CC0 1.0 (Open Access data)
Free tierFree, no keyFree, no API key required
Rate limit60 requests/min per IP (per docs)80 requests/second (requested in docs)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Art Institute of Chicago vs Metropolitan Museum of Art: common questions

Which is more reliable, Art Institute of Chicago or Metropolitan Museum of Art?

On our scheduled checks, Metropolitan Museum of Art leads on measured uptime — Art Institute of Chicago at 98.9% versus Metropolitan Museum of Art 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, Art Institute of Chicago or Metropolitan Museum of Art?

Metropolitan Museum of Art has the lower median latency in our checks — Art Institute of Chicago responds in 584 ms versus Metropolitan Museum of Art at 409 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 Art Institute of Chicago and Metropolitan Museum of Art need an API key?

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

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

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

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