jobdata API vs TimeZones iCal Library

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms640337
P95 · ms1345714
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 TimeZones iCal Library: common questions

Which is more reliable, jobdata API or TimeZones iCal Library?

Both are neck-and-neck — jobdata API and TimeZones iCal Library 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 TimeZones iCal Library?

TimeZones iCal Library has the lower median latency in our checks — jobdata API responds in 640 ms versus TimeZones iCal Library at 337 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 TimeZones iCal Library need an API key?

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

Can I call jobdata API and TimeZones iCal Library from the browser?

Only TimeZones iCal Library 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 TimeZones iCal Library free for commercial use?

jobdata API has unclear commercial terms, and TimeZones iCal Library 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.