UrlBae vs VATlayer

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

Uptime · 30d
Uptime · 90d1.0%100%
Uptime · 30d0.0%100%
P50 · ms1158473
P95 · ms11582118
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

UrlBae vs VATlayer: common questions

Which is more reliable, UrlBae or VATlayer?

On our scheduled checks, VATlayer leads on measured uptime — UrlBae at 1.0% 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, UrlBae or VATlayer?

VATlayer has the lower median latency in our checks — UrlBae responds in 1158 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 UrlBae and VATlayer need an API key?

Both ask you to authenticate — UrlBae uses an API key and VATlayer uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call UrlBae and VATlayer from the browser?

Neither sends browser-friendly CORS headers reliably, so call UrlBae and VATlayer from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are UrlBae and VATlayer free for commercial use?

UrlBae 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.