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