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TotalShiftLeft Sandbox vs Zube

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

APITotalShiftLeft SandboxNEW—ZubeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — open sandbox, auth optionalFree tier — API key required
Rate limit100 req/window · 99 remaining · resets 60Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

TotalShiftLeft Sandbox vs Zube: common questions

Which is more reliable, TotalShiftLeft Sandbox or Zube?

On our scheduled checks, Zube leads on measured uptime — TotalShiftLeft Sandbox at —% versus Zube 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 TotalShiftLeft Sandbox and Zube need an API key?

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

Can I call TotalShiftLeft Sandbox and Zube from the browser?

Neither sends browser-friendly CORS headers reliably, so call TotalShiftLeft Sandbox and Zube from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are TotalShiftLeft Sandbox and Zube free for commercial use?

TotalShiftLeft Sandbox has unclear commercial terms, and Zube 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.