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