Node.js / Express Integration

import express from 'express';
import { billing } from './billing';
import { toNodeHandler } from "better-billing/integrations/node";

const app = express();

// Mount Better Billing at /api/billing
app.use('/api/billing', toNodeHandler(billing.api));

app.listen(3000, () => {
  console.log('Server running on http://localhost:3000');
});

import { createServer } from 'http';
import { billing } from './billing';

const server = createServer(async (req, res) => {
  if (req.url?.startsWith('/api/billing/')) {
    const request = new Request(`http://localhost:3000${req.url}`, {
      method: req.method,
      headers: req.headers as HeadersInit,
      body: req.method !== 'GET' ? req : undefined,
    });
    
    const response = await billing.api.handler(request);
    
    res.writeHead(response.status, Object.fromEntries(response.headers));
    res.end(await response.text());
    return;
  }
  
  res.writeHead(404);
  res.end('Not Found');
});

server.listen(3000);

// billing.ts
import { betterBilling } from "better-billing";
import { corePlugin } from "better-billing/plugins/core";
import { stripePlugin } from "better-billing/plugins/stripe";

export const billing = betterBilling({
  plugins: [
    corePlugin({ ... }),
    stripePlugin({ ... }),
  ],
});

http://localhost:3000/api/billing/stripe/webhook