Describe
your API.
Get a live
endpoint.

const express = require('express');
const app = express()
const rateLimit = require('express-rate-limit');
const helmet = require('helmet');
const { createClient } = require('@supabase/supabase-js');

// Auth middleware
const authenticate = (req, res, next) => {
  const key = req.headers.authorization?.split(' ')[1];
  if (!key) return res.status(401).json({ error: 'Unauthorized' });
  const valid = await db.query('SELECT * FROM api_keys ...', [hash(key)]);
  if (!valid.rows.length) return res.status(401).json({ error: 'Invalid key' });
  next();
};

// Rate limiting
const limiter = rateLimit({ windowMs: 60000, max: 60 });
app.use(limiter);
app.use(helmet());
app.use(express.json());

app.post('/api/stripe-webhook', authenticate, async (req, res) => {
  try {
    const { type, data } = req.body;
    // ... 50 more lines of logic
  } catch (err) {
    res.status(500).json({ error: 'Internal server error' });
  }
});

// Deploy to AWS/Vercel/Railway...
// Set up monitoring...
// Write docs...
// Configure CORS...