Rendex vs VATlayer
Same instrument, two spec sheets — measured, not claimed.
Rendex vs VATlayer: common questions
Which is more reliable, Rendex or VATlayer?
On our scheduled checks, VATlayer leads on measured uptime — Rendex at —% versus VATlayer 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 Rendex and VATlayer need an API key?
Both ask you to authenticate — Rendex 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 Rendex and VATlayer from the browser?
Only Rendex 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 Rendex and VATlayer free for commercial use?
Rendex 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.