HTTPie vs Userstack

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms272443
P95 · ms20163029
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

HTTPie vs Userstack: common questions

Which is more reliable, HTTPie or Userstack?

On our scheduled checks, HTTPie leads on measured uptime — HTTPie at 100% versus Userstack at 99.02% 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, HTTPie or Userstack?

HTTPie has the lower median latency in our checks — HTTPie responds in 272 ms versus Userstack at 443 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 HTTPie and Userstack need an API key?

HTTPie needs no key, while Userstack requires a free API key. If you want to start calling without signup, reach for HTTPie first.

Can I call HTTPie and Userstack from the browser?

Only Userstack is browser-friendly — it returns CORS headers over HTTPS. HTTPie needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are HTTPie and Userstack free for commercial use?

HTTPie has unclear commercial terms, and Userstack 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.