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Hunter vs OOPSpam

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

APIHunterNEW—OOPSpamNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublished1000 req/window · 999 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Hunter vs OOPSpam: common questions

Which is more reliable, Hunter or OOPSpam?

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

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

Can I call Hunter and OOPSpam from the browser?

Neither sends browser-friendly CORS headers reliably, so call Hunter and OOPSpam from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Hunter and OOPSpam free for commercial use?

Hunter has unclear commercial terms, and OOPSpam 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.