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