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OOPSpam vs TotalShiftLeft Sandbox

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

APIOOPSpamNEW—TotalShiftLeft SandboxNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — open sandbox, auth optional
Rate limit1000 req/window · 999 remaining100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

OOPSpam vs TotalShiftLeft Sandbox: common questions

Which is more reliable, OOPSpam or TotalShiftLeft Sandbox?

On our scheduled checks, TotalShiftLeft Sandbox leads on measured uptime — OOPSpam 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 OOPSpam and TotalShiftLeft Sandbox need an API key?

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

Neither sends browser-friendly CORS headers reliably, so call OOPSpam and TotalShiftLeft Sandbox from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are OOPSpam and TotalShiftLeft Sandbox free for commercial use?

OOPSpam 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.