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SampleAPIs vs TotalShiftLeft Sandbox

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

APISampleAPIsHEALTHY95TotalShiftLeft SandboxHEALTHY93
Uptime · 30d
Uptime · 90d99.44%98.9%
Uptime · 30d98.3%98.3%
P50 · ms347417
P95 · ms17471171
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — open sandbox, auth optional
Rate limit5000 req/window · 3876 remaining · resets 1783516346100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

SampleAPIs vs TotalShiftLeft Sandbox: common questions

Which is more reliable, SampleAPIs or TotalShiftLeft Sandbox?

On our scheduled checks, SampleAPIs leads on measured uptime — SampleAPIs at 99.44% versus TotalShiftLeft Sandbox at 98.9% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, SampleAPIs or TotalShiftLeft Sandbox?

SampleAPIs has the lower median latency in our checks — SampleAPIs responds in 347 ms versus TotalShiftLeft Sandbox at 417 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 SampleAPIs and TotalShiftLeft Sandbox need an API key?

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

Can I call SampleAPIs and TotalShiftLeft Sandbox from the browser?

Only SampleAPIs 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 SampleAPIs and TotalShiftLeft Sandbox free for commercial use?

SampleAPIs 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.