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