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The Colony vs Namedays Calendar

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

APIThe ColonyUNMONITORED—Namedays CalendarNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

The Colony vs Namedays Calendar: common questions

Which is more reliable, The Colony or Namedays Calendar?

Only Namedays Calendar is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do The Colony and Namedays Calendar need an API key?

Namedays Calendar needs no key, while The Colony requires a free API key. If you want to start calling without signup, reach for Namedays Calendar first.

Can I call The Colony and Namedays Calendar from the browser?

Only Namedays Calendar is browser-friendly — it returns CORS headers over HTTPS. The Colony needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are The Colony and Namedays Calendar free for commercial use?

The Colony has unclear commercial terms, and Namedays Calendar 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.