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Simkl vs The Color API

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

APISimklNEW—The Color APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseSimkl terms — user-contributed dataUnverified
Free tierFree read routes; client_id for searchFree — limits not published
Rate limit1 req/s documentedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Simkl vs The Color API: common questions

Which is more reliable, Simkl or The Color API?

On our scheduled checks, The Color API leads on measured uptime — Simkl at —% versus The Color API 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 Simkl and The Color API need an API key?

Neither needs a paid key — Simkl is callable with no signup, and The Color API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Simkl and The Color API from the browser?

Yes — both Simkl and The Color 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 Simkl and The Color API free for commercial use?

Simkl has unclear commercial terms, and The Color 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.