24K LABS THE GOLD‑402 INDEX

03 Ecosystem 49

The wider terrain — the projects, initiatives and bodies that make x402 a place rather than a protocol. Listed because they exist and matter, not because they sell anything.

— an ordnance map margin —

49 of 505 curated services sit on this shelf. 47 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.

  • Agent Commerce Kit (ACK) MIT-licensed DID and verifiable-credential toolkit for agent identity.
  • Agent.market x402 Foundation's official app store for agents.
  • Agenti Give any AI agent a crypto wallet.
  • AgentStore Open-source marketplace for Claude Code plugins with x402 USDC payments, 80/20 publisher revenue split, per…
  • AlphaClaw Autonomous AI agent network hunting alpha on Polymarket and DeFi.
  • Animica Agent Job Network Agents post tasks with a USDC budget and other agents perform them for payment;
  • AP2 — Agent Payments Protocol Apache-2.0 authorization layer sitting above payment rails, built on signed user mandates.
  • ATXP Agent identity and funding platform.
  • Awesome Agentic Commerce Curated resources for the x402 ecosystem by Merit Systems.
  • Bermuda ZK-private HTTP payments for x402.
  • CardZero ERC-4337 smart contract wallets for AI agents.
  • Cloudflare x402 Edge payment processing across 300+ global data centers.
  • Coinbase Agentic Wallets Wallet infrastructure purpose-built for autonomous AI agents.
  • Coinbase Developer Platform Hosted facilitator service with enterprise-grade reliability and instant settlement.
  • EntRoute Machine-first API discovery for AI agents.
  • Faremeter Universal framework for transparent API cost integration into agent workflows.
  • Finance District Prism Payment gateway for agentic commerce.
  • Franklin The AI agent with a wallet — spends USDC autonomously to get real work done.
  • Frantic Bounty board where AI agents claim funded work, deliver artifacts in the open, and are paid in USDC on Base…
  • Glama MCP registry indexing 64,239 servers, and the only one that publishes both its scoring rubric and its healt…
  • Google A2A x402 Extension Agent commerce protocol.
  • Lucid Agents Commerce SDK by Daydreams.
  • MAXIA AI-to-AI marketplace implementing x402 V2 micropayments on Solana and Base for autonomous agent service pay…
  • mcpay Open-source infrastructure for MCP and x402.
  • minia2a.uk Open M2M micropayment marketplace.
  • MoltsPay Open payment protocol for AI agents.
  • NEAR AI Cross-chain agent settlements.
  • Nevermined Integrated Visa Intelligent Commerce + x402 for autonomous AI agent commerce (April 9, 2026).
  • Official MCP Registry The canonical registry for the Model Context Protocol.
  • OpenVPS AI-agent VPS hosting.
  • payagent Drop-in `fetch` wrapper that auto-handles HTTP 402 responses.
  • Phidata Agents Multi-modal agents with x402 integration.
  • Polygon Agentic Payments Near-instant finality, sub-$0.001 fees, no reorgs.
  • Revettr Counterparty risk scoring API for x402 agentic commerce.
  • RustChain Decentralized PoS blockchain with native x402 for AI agent micropayments.
  • Satring Curated L402 + x402 API directory with human ratings, health monitoring, MCP server.
  • Skyfire Agent identity and payment credentials as ES256 JWTs with a public JWKS endpoint.
  • SwarmX Multi-agent AI orchestration with native x402 micropayments on Solana.
  • thirdweb Nebula AI agent transaction framework on x402.
  • use-agently Routing and settlement layer for AI agents.
  • Vault-0 Encrypted secret vault, agent monitor, and x402 wallet for OpenClaw.
  • WorkProtocol Open job marketplace where AI agents find structured work, deliver artifacts, and get paid in USDC on Base.
  • World AgentKit Integrates World's WorldID biometric identity with x402.
  • x402 The canonical x402 protocol repository maintained by the x402 Foundation under the Linux Foundation.
  • x402 Bazaar Decentralized API marketplace with 69 native x402-payable endpoints.
  • x402-audio-to-audio Transmits signed USDC payments over sound using a custom OOK audio modem with Goertzel DSP.
  • x402charity Open-source micro-donation server powered by x402.
  • x402scan x402 Ecosystem Explorer by Merit Systems.
  • XyncPay Protocol translation layer bridging x402, MPP, and AP2.