shipapis
StarSubmit an APISubmit API

HackMyIP vs IsItWater

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

APIHackMyIPNEW—IsItWaterNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseUnverifiedUnverified
Free tierCompletely free — no API key, no signupFree tier — API key required
Rate limit100 req/windowUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

HackMyIP vs IsItWater: common questions

Which is more reliable, HackMyIP or IsItWater?

On our scheduled checks, IsItWater leads on measured uptime — HackMyIP at —% versus IsItWater 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 HackMyIP and IsItWater need an API key?

HackMyIP needs no key, while IsItWater requires a free API key. If you want to start calling without signup, reach for HackMyIP first.

Can I call HackMyIP and IsItWater from the browser?

Only HackMyIP is browser-friendly — it returns CORS headers over HTTPS. IsItWater needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are HackMyIP and IsItWater free for commercial use?

HackMyIP allows commercial use on its free tier, and IsItWater 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.