Tooling from and around Coinbase’s agent-payments stack.
Coinbase introduced x402 and ships much of the core infrastructure — the CDP wallet, Base network and reference facilitators. These projects build on the Coinbase Developer Platform to power agent payments: AgentKit, OnchainKit, CDP SDKs and the ecosystem around them.
Here are the Coinbase-related projects in the directory.
Real projects from the directory · stars live from GitHub · sorted by popularity. Showing the top 60 of 65.
Self-healing infrastructure for AI agent payments. 90.3% auto-recovery.
The best way to monetize AI applications & MCP, using x402, CDP Smart Wallets & Paymaster
AWS payment demo of x402 using Bedrock AgentCore, Strands SDK, and CloudFront.
a simple x402 demo using CDP facilitator, embedded wallet, faucet, and token balances API. Includes an x402-enabled API, and simple web app from which the user can call the API.
🚀 Curated resources for Google's Agent Payments Protocol (AP2), A2A & x402 — blogs, videos, repos & specs. Contributions welcome!
curl for x402 and MPP paid APIs. CLI + MCP proxy that auto-pays any endpoint on Base, Solana, and Tempo. Zero crypto code on the buyer side.
63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup.
The x402 Service Encyclopedia — Every service ranked, reviewed, and documented. Community knowledge base for the AI agent economy.
⚡ The gold standard for x402 resources. 300+ projects, SDKs, tools, facilitators, and ecosystem data for the HTTP 402 Payment Required protocol. Curated by 24K Labs.
Spending controls for AI agents paying online. Policy-gated x402 payments with audit log.
MCP server for ERC-8004 agent discovery + x402 payment. No smart account, no relay — just EOA signing. Works with Claude Code, OpenClaw, Cursor, Cline.
Trustless Agent protocol on Base. ERC-8004 identity, x402 micropayments, MCP-native, AgentKit + CDP wallets, EIP-7702, ERC-4337, ERC-4626 vault, EAS attestations, zkML-verifiable inference. Open-source MIT, real yield, fee switch live.
One-command local development environment for HTTP 402 Payment Required protocol with blockchain payments (EIP-3009 USDC)
Consensus Protocol proxy, WebSocket and tunnel service supporting x402 payments.
x402 payment facilitator — verifies and settles EIP-3009 micropayments multichain. v2 facilitator.
Trust infrastructure for the agent economy — classify, score, and price every AI agent request with World ID, AgentKit, x402, and XMTP
One-line API monetization for AI agents. Pay-per-request USDC payments via x402. Express, Next.js, MCP.
MCP server for x402 Service Discovery — continuously growing catalog of services, real-time quality signals, facilitator-compat checks. For Claude, Cursor, Windsurf.
💻 Spin up a complete local x402 payment server to test the HTTP 402 Payment Required protocol with blockchain payments effortlessly.
Wallet-signed, pay-per-request data utilities (CSV validation, data cleaning, PDF extraction) using the x402 HTTP payment flow.
Open Source x402 API Router. Instantly turn any API into a USDC pay-per-request Service for AI Agents.
daydreams agent + mcp to use coinbase bazaar listings + client for humans to read whats available
Automatic micro-donations powered by x402. Drop-in Express/Next.js middleware that sends USDC to charities on every user action. npm install x402charity.
EOA-based Python library + CLI for testing x402 payments. Full HTTP 402 → EIP-712 sign → X-PAYMENT header flow. No CDP wallet required.
💸 Simplify payments with x402, an open protocol for fast, fee-free digital dollar transactions. Experience seamless integration and instant settlements.
The OpenClaw Native Payment Layer: Empowering agents to earn, store, and spend USDC on Base L2 via x402.
A Next.js proxy implementing end-to-end x402 gateway integration — enabling payment-gated APIs and resources with on-chain USDC settlement on Solana, no accounts required.
CLI + npm library + GitHub Action + Chrome Extension + hosted API to validate x402 payment protocol endpoints
Bloomberg Terminal of the AI Agent Economy — x402 micropayment routing, 31 AI providers, smart pricing oracle on Base
Discover and pay AI agents on nullpath's marketplace via MCP. x402 micropayments with USDC.
Smart routing for x402 micropayments — multi-provider fallback, latency-based selection, automatic failover on Base.
ERC-8004 Rust SDK for identity, reputation, and validation, with optional x402 payment flows, middleware, and optional Stripe/Coinbase adapters.
💸 Enable seamless, low-cost digital dollar payments with x402—zero fees, instant settlement, and no high minimums for all users.
🚦 Enable APIs as USDC pay-per-request services for AI with the open-source RequestTap x402 Router in Node.js and TypeScript.
Postfix pipe + x402 client: send headers only to a paid API; server classifies From+Subject with OpenRouter; stamp X-CTJ-Spam-Check. No SpamAssassin, no body, no local heuristic scoring.
Web app for discovering X402 protocol services. React + TypeScript + Supabase. Browse and filter X402 micropayment-enabled APIs from Coinbase Developer Platform.
The no-code developer tool that lets you quickly spin up LayerZero-powered omnichain messaging channels between Base and any EVM chains, enabling your AI agents to communicate cross-chain and trigger automated actions.
This contradiction card documents Coinbase’s orchestration inflation via HTTP status code rebranding, wallet-based identity simulation, and semantic laundering. It proves that X402, L402, MCP, and EVMAUTH are post-filing simulation artifacts—not prior art.
Comprehensive developer guide for the x402 micropayment protocol — 15 SEO-optimized articles on integration, architecture, and real-world use cases
A Chrome extension that enables seamless cryptocurrency payments using the X402 protocol with Coinbase Wallet integration on Base network
ForgingBlock AI payment agent example using AgentKit and Privy wallets to create and pay crypto invoices, search and buy from WooCommerce
AI Payment Authorization with zkML and Blockchain Verification - Complete 5-step workflow demo
Production-ready Solana micropayments library wrapper for official x402 SDK
x402 + AgentKit demo: paid API endpoint on Base mainnet with 90% discount for human-backed agents via World ID AgentBook
An x402 / agent-payment project in the Coinbase category.
We currently track 65 Coinbase projects in the directory, drawn from open-source repositories building on x402 and agent payments. The list above is sorted by GitHub stars and updates as new projects are submitted and crawled.
x402 is an open standard for paying for an HTTP resource: a server replies with HTTP 402 and payment terms, the client pays (usually USDC), and the request is fulfilled. The Coinbase projects above implement or build on this flow.
Submit it from the Submit page. We crawl the repository, classify it, and it appears in the relevant category pages — including this one if it matches.