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Colormind vs Openwhyd

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

APIColormindNEW—OpenwhydNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Colormind vs Openwhyd: common questions

Which is more reliable, Colormind or Openwhyd?

On our scheduled checks, Openwhyd leads on measured uptime — Colormind at —% versus Openwhyd 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 Colormind and Openwhyd need an API key?

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

Can I call Colormind and Openwhyd from the browser?

Neither sends browser-friendly CORS headers reliably, so call Colormind and Openwhyd from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Colormind and Openwhyd free for commercial use?

Colormind has unclear commercial terms, and Openwhyd 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.