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Documentation

Ship a paid API in minutes

Everything you need to install Run402, protect routes, and start collecting payments — with copy-paste examples.

Quickstart

Install, protect, charge

  1. 1Install run402 with your package manager
  2. 2Wrap a route with protect() and set a price
  3. 3Deploy — Stripe Checkout is handled for you
Read the full guide
server.ts
import express from "express"import { protect } from "run402" const app = express() app.use(  "/premium",  protect({ price: "$0.50" })) app.get("/premium", (req, res) => {  res.json({ data: "🔓 premium unlocked" })}) app.listen(3000)

Explore the docs

Quickstart

Install and protect your first route in under two minutes.

Protecting routes

Pricing, subscriptions, and metered usage per endpoint.

SDK reference

Typed client for Node, edge, and serverless runtimes.

Webhooks

Subscribe to payment, refund, and usage events.

Analytics

Track revenue, conversion, and endpoint performance.

Guides

Framework recipes for Express, Fastify, and Next.js.