DEVELOPERS

Ship a full store with an afternoon of code.

paynow.js for the checkout, a REST API for everything else, and signed webhooks for delivery. PayNow stays the Merchant of Record, so payments, VAT and chargebacks never touch your code.

Get your API keys Read the docs Read the docs

checkout.htmllive demo →

// Load paynow.js once

// Open the overlay with a checkout token

window.PayNow.checkout.open({ token: checkoutToken });

// Deliver on order.completed — signed webhook

app.post("/webhooks/paynow", grantPurchase);

Three ways in

Start with the drop-in script, grow into the API.

paynow.js

Drop-in overlay checkout on your own domain: one script tag, one call.A drop-in script for overlay checkout on your own domain. No backend needed to start: one script tag, one call.

Try the live demo →

REST API

Products, orders, customers, subscriptions and payouts with API-key auth.Products, orders, customers, subscriptions and payouts over a clean REST API with API-key auth.

Read the docs →

Webhooks

Signed events for orders, refunds, disputes and subscription changes.Signed events for every order, refund, dispute and subscription change. Deliver from your own code in any language.

Webhook reference →