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Watchmode vs xColors

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

APIWatchmodeREACHABLE—xColorsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseWatchmode termsUnverified
Free tierFree — 1,000 req/monthFree — limits not published
Rate limit1,000 req/month (free tier)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Watchmode vs xColors: common questions

Which is more reliable, Watchmode or xColors?

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

xColors needs no key, while Watchmode requires a free API key. If you want to start calling without signup, reach for xColors first.

Can I call Watchmode and xColors from the browser?

Yes — both Watchmode 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 Watchmode and xColors free for commercial use?

Watchmode 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.