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iQualify Management API vs MarketAux

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

APIiQualify Management APIDEAD0MarketAuxDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — token required
Rate limitUnpublished100 requests/day on free plan
In directory since2026-07-052026-07-05
operationalpartialdownno data

iQualify Management API vs MarketAux: common questions

Which is more reliable, iQualify Management API or MarketAux?

Both are neck-and-neck — iQualify Management API and MarketAux each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do iQualify Management API and MarketAux need an API key?

Both ask you to authenticate — iQualify Management API uses an API key and MarketAux 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 iQualify Management API and MarketAux from the browser?

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

Are iQualify Management API and MarketAux free for commercial use?

iQualify Management API has unclear commercial terms, and MarketAux 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.