cloudflare-agents
: Agent-to-agent payments using Crossmint smart wallets + x402 protocol on Cloudflare Workershello-crossmint-wallets-a2a
: React + Express A2A demo using Crossmint Wallets SDK with x402 payments and direct-transfer verificationhello-eoa-a2a
: Minimal merchant/client using A2A JS SDK with EIP-3009 authorization signing and on-chain settlementping
: Express TypeScript server with x402 paywall requiring USDC payment to access/ping
endpointping-crossmint
: React + Express demo showing Crossmint smart wallet integration with x402 payment protocol and API key/Email OTP signersevents-concierge
: MCP-based autonomous agent payment demo using Cloudflare Durable Objects, Crossmint wallets, and x402 for paid API accesssend-tweet
: A2A agent that posts tweets via Twitter API v2 after verifying USDC payment using direct-transfer schemeweather
: Express TypeScript server with x402 paywall requiring USDC payment to access/weather?city=CITY
endpoint
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Demos and starter code for building agentic finance apps with Crossmint