shipx402.com
Learn x402. Ship APIs that get paid per request.
Learn x402. Ship pay-per-request APIs on Solana. Interactive lab, practice wallet, agent curriculum, and free tools to generate and validate 402s.
Practice wallet
Client-side keys, write-downs, encrypted backups — never cloud custody.
Live 402 lab
Sign a payment intent, retry, unlock. Replay protection included.
Agent-readable
SSR pages, llms.txt, curriculum JSON, donate x402 endpoint.
FAQ
What is x402?
x402 is an open protocol that uses the HTTP 402 Payment Required status code so apps and AI agents can pay for web resources per request, typically settling stablecoins on networks like Solana.
Is this affiliated with Coinbase or the x402 Foundation?
No. Ship x402 is an independent educational project. Not affiliated with Coinbase, the x402 Foundation, or the Solana Foundation.
Do my keys ever leave my browser?
No. The practice wallet generates and signs only on your device. We do not store private keys on a server.
Can AI agents use this site?
Yes. Agents can fetch /api/agents/curriculum, try /api/x402/lab, and tip via /api/x402/donate. See /llms.txt for a machine-readable map.