◆ 24K LABS
THE GOLD‑402 INDEX
05 Learning Resources 45
Guides, courses, walkthroughs and explainers. The shelf most likely to rot quietly: a tutorial can stay online for years after the thing it teaches has changed underneath it. A green knock here proves the page loads, nothing more.
— a textbook frontispiece —
45 of 505 curated services sit on this shelf. 45 carry a dated knock; most recent . A knock is one HTTP request that got an answer — not a delivery test. Read a stamp as reachable and speaks the protocol, never as worth the money.
- 5-Minute Quickstart for Sellers Official Coinbase guide.
- Agent Skills The open Skills format (CC-BY-4.0) with roughly 44 adopter clients including Codex, Gemini CLI and ByteDanc…
- Agentic Economy Timeline Key milestones from early agent research to production x402 deployments.
- Agentic Payments Are Finally Useful What x402 means for founders in 2026.
- Awesome Ethereum Ethereum development resources.
- awesome-molt-ecosystem 200+ AI agent platforms with x402 economy analysis.
- AWS Industries: x402 and Agentic Commerce AWS deep-dive covering AgentCore + CloudFront + Lambda@Edge as a full x402 stack.
- Bankless: x402's Big Week Recap of the April 2, 2026 Linux Foundation launch and Bankr x402 Cloud.
- Base Sepolia Testnet Setup Get test USDC and start testing without real money.
- BridgeNode Solana x402 Quickstart Step-by-step walkthrough that teaches the x402 payment flow on Solana: trigger the 402, sign a USDC transfe…
- Buyer/Client Setup Official guide for making automated x402 payments.
- Calmops: x402 Protocol Complete Guide 2026 Programmable payments for AI agents guide.
- Coinbase Developer Platform Docs Complete implementation guide and API reference.
- CoinDesk: Demand Still Unproven Honest assessment of x402's trial phase (March 2026).
- Developer DAO: A Payment Standard for the Internet Comprehensive tutorial using `x402-express` and `x402-fetch`.
- DWF Labs: Inside x402 Protocol mechanics, ecosystem adoption, real-world use cases.
- EIP-3009 TransferWithAuthorization Gasless transfer standard used by x402.
- HTTP 402 Status Code The long-dormant HTTP status code, now very much alive.
- HTX Ventures: x402 + ERC-8004 Research Report Research report exploring x402 (value transfer) and ERC-8004 (trust/identity) as complementary Web3 infrast…
- Introducing x402 Coinbase announcement post.
- James Bachini: Why x402 Is An Important Opportunity For Developers LinkedIn overview.
- KakaoPay Joins x402 Foundation First South Korean payment processor in the x402 Foundation.
- LearnAI x402 Course Interactive AI-guided course covering the x402 payment flow, EIP-3009 gasless transfers, facilitator setup…
- Lushbinary: x402 & EmDash Content Monetization x402 + Cloudflare EmDash as the content monetization stack for the AI era.
- Nevermined + Visa Intelligent Commerce April 9, 2026.
- One-Line Integration Add payment middleware in a single line of code.
- Polygon Leads Base in x402 Transactions Polygon overtakes Base in daily x402 transaction count.
- Polygon: Agentic Payments Infrastructure Polygon's dedicated x402 agentic payments page.
- PYMNTS: Digital Money Has a New Payment Standard Analysis of x402 as a machine-first payment standard.
- sindresorhus/awesome The awesome list of awesome lists.
- Solana x402 Developer Guide Official Solana guide for getting started with x402 payments.
- Tangle Network: x402 Production Runway Multi-part series: x402 in Rust, the facilitator trust problem, decentralized verification.
- The Agent Times Independent news for the agent economy, published with citations and confidence scores and queryable by age…
- The Agentic Economy How autonomous agents are reshaping commerce, and where x402 fits in.
- Vercel: Introducing x402-mcp Open protocol payments for MCP tools using AI SDK and `paidTool` primitives.
- WorkOS: x402 vs Stripe MPP Comprehensive comparison for AI agents and MCP tools.
- x402 Joins the Linux Foundation PR Newswire, April 2, 2026.
- x402 Protocol Specification Official open-source protocol implementation by Coinbase.
- x402 Sees 10,000% Growth Yahoo Finance.
- x402 V2 Migration Guide Official Coinbase guide from x402 v1 to v2.
- x402 V2 Specification Major protocol upgrade overview: standardized headers, CAIP-2 network identifiers, modular SDK architecture…
- x402 Whitepaper Technical deep dive into protocol architecture.
- x402-ai-starter Vercel's official x402 AI starter template.
- x402-starter-kit Widely-referenced x402 starter kit by Nader Dabit.
- xpaysh/awesome-x402 The original community x402 awesome list.