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RandomUser vs TotalShiftLeft Sandbox

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

APIRandomUserHEALTHY79TotalShiftLeft SandboxHEALTHY93
Uptime · 30d
Uptime · 90d100%98.9%
Uptime · 30d100%98.3%
P50 · ms105468
P95 · ms20911171
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (generated data; sample photos governed by UI Faces terms)Unverified
Free tierFree — no key or signupFree — open sandbox, auth optional
Rate limitUnpublished100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

RandomUser vs TotalShiftLeft Sandbox: common questions

Which is more reliable, RandomUser or TotalShiftLeft Sandbox?

On our scheduled checks, RandomUser leads on measured uptime — RandomUser at 100% 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, RandomUser or TotalShiftLeft Sandbox?

RandomUser has the lower median latency in our checks — RandomUser responds in 105 ms versus TotalShiftLeft Sandbox at 468 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 RandomUser and TotalShiftLeft Sandbox need an API key?

Neither needs a paid key — RandomUser 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 RandomUser and TotalShiftLeft Sandbox from the browser?

Only RandomUser 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 RandomUser and TotalShiftLeft Sandbox free for commercial use?

RandomUser 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.