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Art Institute of Chicago vs Simkl

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

APIArt Institute of ChicagoNEW—SimklNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC0 1.0 for metadata; 'description' field is CC-BY 4.0Simkl terms — user-contributed data
Free tierFree, no keyFree read routes; client_id for search
Rate limit60 requests/min per IP (per docs)1 req/s documented
In directory since2026-07-052026-07-05
operationalpartialdownno data

Art Institute of Chicago vs Simkl: common questions

Which is more reliable, Art Institute of Chicago or Simkl?

On our scheduled checks, Simkl leads on measured uptime — Art Institute of Chicago at —% versus Simkl 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 Art Institute of Chicago and Simkl need an API key?

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

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

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

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