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JobDataLake vs OpenHolidays API

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

APIJobDataLakeREACHABLE—OpenHolidays APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

JobDataLake vs OpenHolidays API: common questions

Which is more reliable, JobDataLake or OpenHolidays API?

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

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

Can I call JobDataLake and OpenHolidays API from the browser?

Yes — both JobDataLake and OpenHolidays API 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 JobDataLake and OpenHolidays API free for commercial use?

JobDataLake 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.