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jobdata API vs OpenHolidays API

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

APIjobdata APIHEALTHY91OpenHolidays APIHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms640533
P95 · ms13453920
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

jobdata API vs OpenHolidays API: common questions

Which is more reliable, jobdata API or OpenHolidays API?

Both are neck-and-neck — jobdata API and OpenHolidays API 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, jobdata API or OpenHolidays API?

OpenHolidays API has the lower median latency in our checks — jobdata API responds in 640 ms versus OpenHolidays API at 533 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 jobdata API and OpenHolidays API need an API key?

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

Can I call jobdata API and OpenHolidays API from the browser?

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

Are jobdata API and OpenHolidays API free for commercial use?

jobdata API has unclear commercial terms, and OpenHolidays API 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.