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GitHub Project Issues vs User Agent Lookup API

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

APIGitHub Project IssuesHEALTHY90User Agent Lookup APIHEALTHY96
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms478426
P95 · ms4310764
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GitHub Project Issues vs User Agent Lookup API: common questions

Which is more reliable, GitHub Project Issues or User Agent Lookup API?

On our scheduled checks, User Agent Lookup API leads on measured uptime — GitHub Project Issues at 99.02% versus User Agent Lookup API at 100% 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, GitHub Project Issues or User Agent Lookup API?

User Agent Lookup API has the lower median latency in our checks — GitHub Project Issues responds in 478 ms versus User Agent Lookup API at 426 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 GitHub Project Issues and User Agent Lookup API need an API key?

Neither needs a paid key — GitHub Project Issues is callable with no signup, and User Agent Lookup API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call GitHub Project Issues and User Agent Lookup API from the browser?

Neither sends browser-friendly CORS headers reliably, so call GitHub Project Issues and User Agent Lookup API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are GitHub Project Issues and User Agent Lookup API free for commercial use?

GitHub Project Issues has unclear commercial terms, and User Agent Lookup API 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.