caldays vs JobDataLake

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms149336
P95 · ms6751419
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

caldays vs JobDataLake: common questions

Which is more reliable, caldays or JobDataLake?

Both are neck-and-neck — caldays and JobDataLake 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, caldays or JobDataLake?

caldays has the lower median latency in our checks — caldays responds in 149 ms versus JobDataLake at 336 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 caldays and JobDataLake need an API key?

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

Can I call caldays and JobDataLake from the browser?

Yes — both caldays and JobDataLake 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 caldays and JobDataLake free for commercial use?

caldays has unclear commercial terms, and JobDataLake 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.