Recipes

Sample integration

Full code

A working Node.js + Express app that creates invoices, redirects to hosted checkout, and verifies IPN webhooks. Full source code included.

Subscription billing

Create a recurring invoice each billing period and notify the customer via email when payment is received.

POS checkout

Show a QR code at point of sale. Poll /v1/invoices/:id or use SSE stream for live status.

Donation widget

Embed a hosted checkout link on any page. No server required — just generate an invoice client-side.