Hoppscotch vs Userstack

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms552443
P95 · ms25193029
AuthnoneapiKey
CORSyesyes
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

Hoppscotch vs Userstack: common questions

Which is more reliable, Hoppscotch or Userstack?

On our scheduled checks, Hoppscotch leads on measured uptime — Hoppscotch 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, Hoppscotch or Userstack?

Userstack has the lower median latency in our checks — Hoppscotch responds in 552 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 Hoppscotch and Userstack need an API key?

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

Can I call Hoppscotch and Userstack from the browser?

Yes — both Hoppscotch and Userstack send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Hoppscotch and Userstack free for commercial use?

Hoppscotch 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.