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Findwork vs The Calendar

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

APIFindworkHEALTHY93The CalendarHEALTHY90
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms481588
P95 · ms19153550
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (US federal list per 5 U.S.C. § 6103)
Free tierFree tier — key may be requiredFree, no auth (per site)
Rate limit4294967295 req/window · 4294967295 remaining · resets 0None stated (site advertises no rate limit)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Findwork vs The Calendar: common questions

Which is more reliable, Findwork or The Calendar?

Both are neck-and-neck — Findwork and The Calendar 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, Findwork or The Calendar?

Findwork has the lower median latency in our checks — Findwork responds in 481 ms versus The Calendar at 588 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 Findwork and The Calendar need an API key?

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

Can I call Findwork and The Calendar from the browser?

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

Are Findwork and The Calendar free for commercial use?

Findwork has unclear commercial terms, and The 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.