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AI Dev Jobs vs MailCheck.ai

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

APIAI Dev JobsNEW—MailCheck.aiNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — public read endpoints openFree — limits not published
Rate limitHourly abuse throttle; optional free API key5 req/window · 4 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

AI Dev Jobs vs MailCheck.ai: common questions

Which is more reliable, AI Dev Jobs or MailCheck.ai?

On our scheduled checks, MailCheck.ai leads on measured uptime — AI Dev Jobs at —% versus MailCheck.ai 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 AI Dev Jobs and MailCheck.ai need an API key?

Neither needs a paid key — AI Dev Jobs 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 AI Dev Jobs and MailCheck.ai from the browser?

Yes — both AI Dev Jobs 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 AI Dev Jobs and MailCheck.ai free for commercial use?

AI Dev Jobs 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.