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GDBrowser vs Universalis

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

APIGDBrowserNEW—UniversalisNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified; crowdsourced data
Free tierFree — no API keyFree, no API key required
Rate limit150 req/window · 149 remaining · resets 1783513202Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GDBrowser vs Universalis: common questions

Which is more reliable, GDBrowser or Universalis?

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

Neither needs a paid key — GDBrowser is callable with no signup, and Universalis is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call GDBrowser and Universalis from the browser?

Yes — both GDBrowser and Universalis 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 GDBrowser and Universalis free for commercial use?

GDBrowser has unclear commercial terms, and Universalis 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.