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iQualify Management API vs The Guardian

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

APIiQualify Management APINEW—The GuardianNEW—
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 developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

iQualify Management API vs The Guardian: common questions

Which is more reliable, iQualify Management API or The Guardian?

On our scheduled checks, The Guardian leads on measured uptime — iQualify Management API at —% versus The Guardian 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 iQualify Management API and The Guardian need an API key?

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

Yes — both iQualify Management API and The Guardian 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 iQualify Management API and The Guardian free for commercial use?

iQualify Management API has unclear commercial terms, and The Guardian 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.