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ImprovMX API vs JobDataLake

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

APIImprovMX APINEW—JobDataLakeREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limit301 req/window · 300 remaining · resets 1783526520Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ImprovMX API vs JobDataLake: common questions

Which is more reliable, ImprovMX API or JobDataLake?

On our scheduled checks, JobDataLake leads on measured uptime — ImprovMX API at —% versus JobDataLake 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 JobDataLake need an API key?

Both ask you to authenticate — ImprovMX API uses an API key and JobDataLake uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call ImprovMX API and JobDataLake from the browser?

Yes — both ImprovMX API and JobDataLake 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 JobDataLake free for commercial use?

ImprovMX API has unclear commercial terms, and JobDataLake 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.