HackMyIP vs Postali

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms15769
P95 · ms2167824
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseUnverifiedUnverified
Free tierCompletely free — no API key, no signupFree — no key, no signup, no monthly limit (per site)
Rate limit100 req/windowUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

HackMyIP vs Postali: common questions

Which is more reliable, HackMyIP or Postali?

Both are neck-and-neck — HackMyIP and Postali each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, HackMyIP or Postali?

Postali has the lower median latency in our checks — HackMyIP responds in 157 ms versus Postali at 69 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do HackMyIP and Postali need an API key?

Neither needs a paid key — HackMyIP is callable with no signup, and Postali is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call HackMyIP and Postali from the browser?

Yes — both HackMyIP and Postali 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 HackMyIP and Postali free for commercial use?

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