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Art Institute of Chicago vs Chocomilk API

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

APIArt Institute of ChicagoHEALTHY63Chocomilk APIDYING46
Uptime · 30d
Uptime · 90d100%31.4%
Uptime · 30d100%6.7%
P50 · ms1099990
P95 · ms26141526
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC0 1.0 for metadata; 'description' field is CC-BY 4.0Unverified
Free tierFree, no keyFree — limits not published
Rate limit60 requests/min per IP (per docs)60 req/window · 59 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

Art Institute of Chicago vs Chocomilk API: common questions

Which is more reliable, Art Institute of Chicago or Chocomilk API?

On our scheduled checks, Art Institute of Chicago leads on measured uptime — Art Institute of Chicago at 100% versus Chocomilk API at 31.4% 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 Chocomilk API?

Chocomilk API has the lower median latency in our checks — Art Institute of Chicago responds in 1099 ms versus Chocomilk API at 990 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 Chocomilk API need an API key?

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

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

Only Art Institute of Chicago is browser-friendly — it returns CORS headers over HTTPS. Chocomilk API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Art Institute of Chicago and Chocomilk API free for commercial use?

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