The Color API vs xColors

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms525642
P95 · ms13141161
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

The Color API vs xColors: common questions

Which is more reliable, The Color API or xColors?

Both are neck-and-neck — The Color API and xColors each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, The Color API or xColors?

The Color API has the lower median latency in our checks — The Color API responds in 525 ms versus xColors at 642 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 The Color API and xColors need an API key?

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

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

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

The Color API has unclear commercial terms, and xColors 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.