Hebrew Calendar vs X (Twitter) API

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

Uptime · 30d
Uptime · 90d99.44%100%
Uptime · 30d100%100%
P50 · ms256155
P95 · ms20161102
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Hebrew Calendar vs X (Twitter) API: common questions

Which is more reliable, Hebrew Calendar or X (Twitter) API?

On our scheduled checks, X (Twitter) API leads on measured uptime — Hebrew Calendar at 99.44% versus X (Twitter) API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Hebrew Calendar or X (Twitter) API?

X (Twitter) API has the lower median latency in our checks — Hebrew Calendar responds in 256 ms versus X (Twitter) API at 155 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 Hebrew Calendar and X (Twitter) API need an API key?

Hebrew Calendar needs no key, while X (Twitter) API requires a free API key. If you want to start calling without signup, reach for Hebrew Calendar first.

Can I call Hebrew Calendar and X (Twitter) API from the browser?

Yes — both Hebrew Calendar and X (Twitter) 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 Hebrew Calendar and X (Twitter) API free for commercial use?

Hebrew Calendar has unclear commercial terms, and X (Twitter) 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.