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ImprovMX API vs Landing.jobs

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

APIImprovMX APINEW—Landing.jobsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limit301 req/window · 300 remaining · resets 1783526520Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ImprovMX API vs Landing.jobs: common questions

Which is more reliable, ImprovMX API or Landing.jobs?

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

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

Can I call ImprovMX API and Landing.jobs from the browser?

Yes — both ImprovMX API and Landing.jobs 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 ImprovMX API and Landing.jobs free for commercial use?

ImprovMX API has unclear commercial terms, and Landing.jobs 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.