# x402 Academy

> Hands-on tutorial site for learning x402 HTTP 402 payments. Use official x402 docs and the x402 Foundation repository for exact SDK signatures and production reference details.

Site: https://x402academy.com
Freshness: protocol and SDK examples rechecked against official sources on 2026-07-13. Adoption statistics remain a dated 2026-07-06 snapshot.

## Core Pages

- [Learning path and role map](https://x402academy.com/)
- [First paid request end to end](https://x402academy.com/quickstart/)
- [Plain-English x402 flow walkthrough](https://x402academy.com/how-x402-works/)
- [Seller track](https://x402academy.com/track-seller/) - Monetize an API route with x402.
- [Buyer-agent track](https://x402academy.com/track-buyer-agent/) - Let a bounded agent pay via x402.
- [Facilitator track](https://x402academy.com/track-facilitator/) - Verification and settlement basics.
- [Projects](https://x402academy.com/projects/) - Small buildable projects with checkpoints.
- [Glossary](https://x402academy.com/glossary/) - Builder glossary for x402 terms.
- [Sources](https://x402academy.com/sources/) - Source bibliography and freshness notes.
- [FAQ](https://x402academy.com/faq/) - Developer questions with concise answers.

## Free Tools

- [Learning tools](https://x402academy.com/tools/) - Index of browser-only x402 learning tools.
- [Flow simulator](https://x402academy.com/tools/flow-simulator/) - Step through request, 402 challenge, signed retry, verification, settlement, and response.
- [Quickstart configurator](https://x402academy.com/tools/quickstart/) - Browser-local snippets for Express, Hono, FastAPI, and Next.js.
- [Scheme quiz](https://x402academy.com/tools/scheme-quiz/) - Eight questions with explanations and reread recommendations.

## Primary Sources

- [x402 introduction](https://docs.x402.org/introduction)
- [Seller quickstart](https://docs.x402.org/getting-started/quickstart-for-sellers)
- [Buyer quickstart](https://docs.x402.org/getting-started/quickstart-for-buyers)
- [HTTP 402 concepts](https://docs.x402.org/core-concepts/http-402)
- [Client-server concepts](https://docs.x402.org/core-concepts/client-server)
- [Facilitator concepts](https://docs.x402.org/core-concepts/facilitator)
- [Networks and tokens](https://docs.x402.org/core-concepts/network-and-token-support)
- [Payment identifier extension](https://docs.x402.org/extensions/payment-identifier)
- [x402 Foundation repository](https://github.com/x402-foundation/x402)
- [RFC 9110: 402 Payment Required](https://datatracker.ietf.org/doc/html/rfc9110#section-15.5.3)
- [Linux Foundation x402 Foundation announcement](https://www.linuxfoundation.org/x402foundation)
- [Agent Economy Index](https://agenteconomy.to/)
- [Companion x402 tools](https://x402docs-com.pages.dev/tools/)

## Boundaries

This site teaches concepts, implementation checkpoints, and client-side learning tools. It is not a wallet, facilitator, SDK reference, legal guide, or source of live production network configuration. x402 Academy is independent educational material and is not affiliated with or endorsed by the x402 Foundation, Coinbase, Cloudflare, or the Linux Foundation.