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OnSched Consumer API vs TotalShiftLeft Sandbox

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

APIOnSched Consumer APIHEALTHY88TotalShiftLeft SandboxHEALTHY95
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms722328
P95 · ms18901741
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?

Both are neck-and-neck — OnSched Consumer API and TotalShiftLeft Sandbox each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, OnSched Consumer API or TotalShiftLeft Sandbox?

TotalShiftLeft Sandbox has the lower median latency in our checks — OnSched Consumer API responds in 722 ms versus TotalShiftLeft Sandbox at 328 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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.