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CheapShark API vs iQualify Management API

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

APICheapShark APINEW—iQualify Management APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CheapShark API vs iQualify Management API: common questions

Which is more reliable, CheapShark API or iQualify Management API?

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

CheapShark API needs no key, while iQualify Management API requires a free API key. If you want to start calling without signup, reach for CheapShark API first.

Can I call CheapShark API and iQualify Management API from the browser?

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

Are CheapShark API and iQualify Management API free for commercial use?

CheapShark API has unclear commercial terms, and iQualify Management API 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.