ItsThisForThat vs TotalShiftLeft Sandbox

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms242328
P95 · ms5551741
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — open sandbox, auth optional
Rate limitUnpublished (docs ask you not to hammer it)100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

ItsThisForThat vs TotalShiftLeft Sandbox: common questions

Which is more reliable, ItsThisForThat or TotalShiftLeft Sandbox?

Both are neck-and-neck — ItsThisForThat 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, ItsThisForThat or TotalShiftLeft Sandbox?

ItsThisForThat has the lower median latency in our checks — ItsThisForThat responds in 242 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 ItsThisForThat and TotalShiftLeft Sandbox need an API key?

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

Neither sends browser-friendly CORS headers reliably, so call ItsThisForThat 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 ItsThisForThat and TotalShiftLeft Sandbox free for commercial use?

ItsThisForThat 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.