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GitHub Project Issues vs Userstack

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

APIGitHub Project IssuesNEW—UserstackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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

GitHub Project Issues vs Userstack: common questions

Which is more reliable, GitHub Project Issues or Userstack?

On our scheduled checks, Userstack leads on measured uptime — GitHub Project Issues at —% versus Userstack 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 GitHub Project Issues and Userstack need an API key?

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

Can I call GitHub Project Issues and Userstack from the browser?

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

Are GitHub Project Issues and Userstack free for commercial use?

GitHub Project Issues 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.