PHP-Noise vs Sirv

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

PHP-Noise vs Sirv: common questions

Which is more reliable, PHP-Noise or Sirv?

On our scheduled checks, Sirv leads on measured uptime — PHP-Noise at —% versus Sirv 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 PHP-Noise and Sirv need an API key?

PHP-Noise needs no key, while Sirv requires a free API key. If you want to start calling without signup, reach for PHP-Noise first.

Can I call PHP-Noise and Sirv from the browser?

Yes — both PHP-Noise and Sirv 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 PHP-Noise and Sirv free for commercial use?

PHP-Noise has unclear commercial terms, and Sirv 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.