Hebrew Calendar vs Tumblr
Same instrument, two spec sheets — measured, not claimed.
Hebrew Calendar vs Tumblr: common questions
Which is more reliable, Hebrew Calendar or Tumblr?
On our scheduled checks, Tumblr leads on measured uptime — Hebrew Calendar at 99.44% versus Tumblr 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 Tumblr?
Tumblr has the lower median latency in our checks — Hebrew Calendar responds in 256 ms versus Tumblr at 146 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 Tumblr need an API key?
Hebrew Calendar needs no key, while Tumblr requires OAuth. If you want to start calling without signup, reach for Hebrew Calendar first.
Can I call Hebrew Calendar and Tumblr from the browser?
Yes — both Hebrew Calendar and Tumblr 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 Tumblr free for commercial use?
Hebrew Calendar has unclear commercial terms, and Tumblr 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.