HackerNews vs MailCheck.ai

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

Uptime · 30d
Uptime · 90d100%93.1%
Uptime · 30d100%93.3%
P50 · ms380272
P95 · ms1269842
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublished5 req/window · 4 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

HackerNews vs MailCheck.ai: common questions

Which is more reliable, HackerNews or MailCheck.ai?

On our scheduled checks, HackerNews leads on measured uptime — HackerNews at 100% versus MailCheck.ai at 93.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, HackerNews or MailCheck.ai?

MailCheck.ai has the lower median latency in our checks — HackerNews responds in 380 ms versus MailCheck.ai at 272 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 HackerNews and MailCheck.ai need an API key?

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

Can I call HackerNews and MailCheck.ai from the browser?

Yes — both HackerNews and MailCheck.ai 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 HackerNews and MailCheck.ai free for commercial use?

HackerNews has unclear commercial terms, and MailCheck.ai 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.