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OnSched Consumer API vs TotalShiftLeft Sandbox

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

APIOnSched Consumer APINEW—TotalShiftLeft SandboxNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — open sandbox, auth optional
Rate limitUnpublished100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

OnSched Consumer API vs TotalShiftLeft Sandbox: common questions

Which is more reliable, OnSched Consumer API or TotalShiftLeft Sandbox?

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

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

Can I call OnSched Consumer API and TotalShiftLeft Sandbox from the browser?

Only OnSched Consumer API 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 OnSched Consumer API and TotalShiftLeft Sandbox free for commercial use?

OnSched Consumer API has unclear commercial terms, and TotalShiftLeft Sandbox 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.