ELI vs httpSMS
Same instrument, two spec sheets — measured, not claimed.
ELI vs httpSMS: common questions
Which is more reliable, ELI or httpSMS?
On our scheduled checks, httpSMS leads on measured uptime — ELI 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 ELI and httpSMS need an API key?
Both ask you to authenticate — ELI uses an API key and httpSMS uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call ELI and httpSMS from the browser?
Yes — both ELI 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 ELI and httpSMS free for commercial use?
ELI 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.