ClickSend REST API v3 vs HackMyIP

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredCompletely free — no API key, no signup
Rate limit6000 req/window · 5999 remaining · resets 1100 req/window
In directory since2026-07-052026-07-05
operationalpartialdownno data

ClickSend REST API v3 vs HackMyIP: common questions

Which is more reliable, ClickSend REST API v3 or HackMyIP?

On our scheduled checks, HackMyIP leads on measured uptime — ClickSend REST API v3 at —% versus HackMyIP 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 ClickSend REST API v3 and HackMyIP need an API key?

HackMyIP needs no key, while ClickSend REST API v3 requires a free API key. If you want to start calling without signup, reach for HackMyIP first.

Can I call ClickSend REST API v3 and HackMyIP from the browser?

Yes — both ClickSend REST API v3 and HackMyIP 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 ClickSend REST API v3 and HackMyIP free for commercial use?

ClickSend REST API v3 has unclear commercial terms, and HackMyIP allows commercial use on its free tier. 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.