CryptoPayKit

x402 crypto payment integration toolkit for Next.js.

Live Demo | Report Bug

Features

• 15 ready-to-use code templates for x402 payment integration
• 4 step-by-step integration guides
• Live interactive playground to test payment flows
• Templates for Next.js, Express, and more
• USDC on Base -- no credit cards, no Stripe

Tech Stack

Next.js 16 · React 19 · TypeScript · Tailwind CSS v4 · Framer Motion · x402 Payments

Getting Started

pnpm install
pnpm dev

Open http://localhost:4003 to view it locally.

License

MIT