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Landing.jobs vs mailboxlayer

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

APILanding.jobsNEW—mailboxlayerNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Landing.jobs vs mailboxlayer: common questions

Which is more reliable, Landing.jobs or mailboxlayer?

On our scheduled checks, mailboxlayer leads on measured uptime — Landing.jobs at —% versus mailboxlayer 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 Landing.jobs and mailboxlayer need an API key?

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

Can I call Landing.jobs and mailboxlayer from the browser?

Only Landing.jobs is browser-friendly — it returns CORS headers over HTTPS. mailboxlayer needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Landing.jobs and mailboxlayer free for commercial use?

Landing.jobs has unclear commercial terms, and mailboxlayer 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.