What Cloudflare builds for agent payments
x402 fits edge middleware well: inspect request, return 402, verify payment, proceed. Cloudflare is not a payments company, but it is where a large share of developers actually deploy the paywall.
Cloudflare
Edge runtime popular for x402 middleware and paywalls.
Settlement & Identity Rails x402
Open-source projects that build on Cloudflare
30 repositories in this directory name Cloudflare in their title, description or topics — useful if you want working code rather than documentation. The most-starred are below.
- awesome-x402 264★ 🚀 Curated list of x402 resources: HTTP 402 Payment Required protocol for blockchain payments, crypto micropayments, AI agents, API monetization. Includes SDKs (TypeScript, Python, Rust), examples, facilitators (Coinbase, Cloudflare), MCP integration, tutorials. Accept USDC payments with one line of code. Perfect for AI agent economy.
- crossmint-agentic-finance 19★ · TypeScript Demos and starter code for building agentic finance apps with Crossmint
- Agent402 6★ · JavaScript 500+ pay-per-call web tools + skill packs for AI agents — every one tested, priced, and settled on-chain. Paid in USDC over x402 on 8 chains, or free via proof-of-work on the pure-CPU tools. Self-hostable, MCP-native, deterministic. Plus the open x402 index (Find / Route / Leaderboard).
- agent-hooks 4★ · JavaScript Open protocol for agent-to-agent communication over HTTPS. No registry, no platform — just inboxes.
- dox402 4★ · TypeScript Pay-per-use AI inference utilizing Cloudflare workers, Durable Objects, Workers AI, and x402 payment protocol.
- YOAP-A2A 3★ · JavaScript YOAP - Open Agent-to-Agent Protocol for connecting people through AI Agents. Like open-source matchmaking.
- instadomain-mcp 3★ · Python MCP server that lets AI agents register domains instantly. Stripe + x402 crypto payments, Cloudflare DNS, bulk checks, renewals, transfers.
- x402-facilitator 3★ · TypeScript A fast x402 facilitator running on cloudflare workers
- YOAP-A2A 2★ · JavaScript Connect AI agents representing humans through the A2A protocol for seamless, secure interaction across apps and tools.
- p402 1★ · TypeScript Transform any API into a revenue-generating asset with automatic payment collection, blockchain authentication, and enterprise-grade proxy infrastructure.
- x402-claude-plugin 1★ Claude Code plugin for the x402 open payment standard — paywalled endpoints, paying agents, and paid MCP tools with Cloudflare Workers
- surf 1★ · TypeScript Pay-per-use API gateway for AI agents. Inference, Twitter, Reddit, and web APIs - no signup, pay per call via x402 and MPP.
Cloudflare vs other settlement & identity rails
| Company | Protocols | HQ | Founded | OSS repos |
|---|---|---|---|---|
| Cloudflare | x402 | San Francisco, USA | 2009 | 0 |
| Circle | x402, USDC | Boston, USA | 2013 | 0 |
| Skyfire | Agent identity | USA | 2024 | 0 |
| Alchemy | Base, EVM | San Francisco, USA | 2017 | 0 |
| Base | x402, USDC | USA | 2023 | 0 |
| Tempo | Payments L1/L2 | Remote | — | 0 |
Also supporting x402: Coinbase, Circle, Crossmint, Base, Daydreams.