First, let’s make a frontend key and save it in our hugo.toml under a key like paddleSandboxClientSideJsToken (you’ll also have a paddleProdClientSideJsToken). Then, on your layouts/products/single.html template make a javascript snippet like so: <script src="https://cdn.paddle.com/paddle/v2/paddle.js"></script> <script type="text/javascript"> {{- $paddleToken := "" -}} {{- $priceIds := slice -}} {{ if hugo.IsServer -}} Paddle.Environment.set("sandbox"); {{- $paddleToken = .Site.Params.pa...