You need some lines of JavaScript you can basically copy 1:1 from the docs (or if you scroll down the linked page there is also an example). But you also need s

You need some lines of JavaScript you can basically copy 1:1 from the docs (or if you scroll down the linked page there is also an example). But you also need some backend to handle the actual payment. The widget generates a token which you can use to create customers, charge them etc. One implementation from Stripes docs https://stripe.com/docs/checkout/guides/flask https://stripe.com/docs/checkout/guides/flask