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TotalShiftLeft Sandbox vs VatcheckAPI

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

APITotalShiftLeft SandboxNEW—VatcheckAPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
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 VatcheckAPI: common questions

Which is more reliable, TotalShiftLeft Sandbox or VatcheckAPI?

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

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

Can I call TotalShiftLeft Sandbox and VatcheckAPI from the browser?

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

Are TotalShiftLeft Sandbox and VatcheckAPI free for commercial use?

TotalShiftLeft Sandbox has unclear commercial terms, and VatcheckAPI 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.