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Gyazo vs NetworkCalc

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

APIGyazoNEW—NetworkCalcNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree public API, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Gyazo vs NetworkCalc: common questions

Which is more reliable, Gyazo or NetworkCalc?

On our scheduled checks, NetworkCalc leads on measured uptime — Gyazo at —% versus NetworkCalc 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 Gyazo and NetworkCalc need an API key?

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

Can I call Gyazo and NetworkCalc from the browser?

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

Are Gyazo and NetworkCalc free for commercial use?

Gyazo has unclear commercial terms, and NetworkCalc 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.