RubyGems vs VATlayer

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms311473
P95 · ms16392118
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

RubyGems vs VATlayer: common questions

Which is more reliable, RubyGems or VATlayer?

On our scheduled checks, VATlayer leads on measured uptime — RubyGems at 99.02% versus VATlayer 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, RubyGems or VATlayer?

RubyGems has the lower median latency in our checks — RubyGems responds in 311 ms versus VATlayer at 473 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 RubyGems and VATlayer need an API key?

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

Can I call RubyGems and VATlayer from the browser?

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

Are RubyGems and VATlayer free for commercial use?

RubyGems has unclear commercial terms, and VATlayer 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.