NuGet V3 API vs The Guardian

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

Uptime · 30d
Uptime · 90d100%98.0%
Uptime · 30d100%98.3%
P50 · ms245742
P95 · ms7762726
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

NuGet V3 API vs The Guardian: common questions

Which is more reliable, NuGet V3 API or The Guardian?

On our scheduled checks, NuGet V3 API leads on measured uptime — NuGet V3 API at 100% versus The Guardian at 98.0% 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, NuGet V3 API or The Guardian?

NuGet V3 API has the lower median latency in our checks — NuGet V3 API responds in 245 ms versus The Guardian at 742 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 NuGet V3 API and The Guardian need an API key?

NuGet V3 API needs no key, while The Guardian requires a free API key. If you want to start calling without signup, reach for NuGet V3 API first.

Can I call NuGet V3 API and The Guardian from the browser?

Yes — both NuGet V3 API and The Guardian 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 NuGet V3 API and The Guardian free for commercial use?

NuGet V3 API has unclear commercial terms, and The Guardian 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.