AWS
Amazon Web Services supports x402 for machine-to-machine payments in the cloud, enabling AI agents and services to transact seamlessly using the HTTP 402 payment protocol.
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Ecosystem
Discover innovative projects, tools, and applications built by our growing community of partners and developers leveraging x402 technology.
Cloudflare
Cloudflare co-founded the x402 Foundation with Coinbase and provides native x402 support in Cloudflare Workers and AI Agents, enabling serverless HTTP payment flows at the edge.
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Exa
Exa is an AI-native search engine that provides high-quality web data through its API, enabling AI agents and applications to search and retrieve content from the web.
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Nansen
Nansen uses x402 to monetize access to their blockchain analytics platform, enabling AI agents and developers to pay for on-chain intelligence and wallet analytics using stablecoins.
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Stripe
Stripe has integrated x402 to enable stablecoin payments for internet commerce, allowing businesses to accept USDC payments natively via the HTTP 402 standard.
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Venice
Venice is a private and permissionless AI platform that provides access to open-source AI models, enabling uncensored inference, image generation, and code assistance without data retention.
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Facilitators
0xArchive Facilitator
First HyperEVM-native x402 facilitator. Fee-free USDC settlement on HyperEVM and Base Mainnet.
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0xmeta AI
A fast and reliable x402 payment facilitator that simplifies blockchain payment verification and settlement. Built on top of x402 Protocol, 0xmeta.ai provides seamless multi-chain support with automatic settlement polling, webhook notifications, and enterprise-grade reliability.
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AutoIncentive Facilitator
Free, public x402 facilitator for Base and Solana. Full verify + settle flow with on-chain USDC transfers. No API keys required.
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Bitrefill Facilitator
Free x402 facilitator for EVM and Solana
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Built on Stellar
Free, public x402 facilitator for Stellar with ~5-second finality and sponsored fees. Full verification and settlement flow powered by the OpenZeppelin Relayer.
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CDP Facilitator
Best-in-class x402 facilitator. Fee-free USDC settlement on Base Mainnet. KYT/OFAC checks on every transaction.
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Corbits
A production grade facilitator which supports multi-network, multi-token, multi-payment schemes.
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Dexter
Solana and Base x402 facilitator with an integrated marketplace and cross-chain bridge. Agents discover tools via MCP, pay via x402, and get results in one flow. Access from ChatGPT, Claude, Telegram, or any MCP client - same agent, same wallet, infinite interfaces.
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Elsa x402
DeFi API endpoints with x402 micropayments. Access portfolio data, token prices, swap quotes, wallet analytics, yield suggestions, and more - pay per request with USDC on Base.
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fretchen.eu Facilitator
Production x402 v2 Facilitator on Optimism and Base with EIP-3009 USDC payment verification and settlement.
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GoPlausible
Facilitator dedicated to Algorand and supporting Base and Solana networks (main & test networks). Provides reference implementation, Typescript and Python packages, examples, and comprehensive documentation for x402 on Algorand.
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Heurist Facilitator
Enterprise-grade x402 facilitator on EVM chains. Supporting both V1 and V2. OFAC-Compliant.
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Hydra Protocol Facilitator
A permissionless network of independent nodes that collectively perform the facilitator's role. Nodes collaborate to fulfill requests in exchange for fees.
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KAMIYO Facilitator
x402 payment facilitator powering autonomous agent transactions on Base and Solana.
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Kobaru
x402 Facilitator built from scratch by payment veterans who understand what payment systems demand. Kobaru is a purpose-built payment engine designed for developers who need institutional-grade reliability, complete visibility into their revenue operations, and the freedom to focus on building their business instead of managing payment complexity. Whether you are an Enterprise or Independent Developer, Kobaru has the right features for you.
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Mogami facilitator
A free, developer-focused, production-ready facilitator for x402 payments. Use it instantly online, or launch your own Docker image in seconds.
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Nevermined Facilitator
Nevermined x402 Facilitator for AI agent payment verification and settlement on Base networks.
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OpenFacilitator
Free, open-source x402 facilitator. Or become your own facilitator for $5/month.
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OpenX402.ai Facilitator
The first permissionless, gasless and omnichain x402 facilitator that any x402 server can use without login
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OpenZeppelin
OpenZeppelin provides an x402 facilitator plugin for their Relayer infrastructure, enabling secure and audited payment verification and settlement for the x402 protocol.
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PayAI Facilitator
Accept x402 payments on all networks including Avalanche, Base, Polygon, Sei, Solana, and more! Get started in less than 1 minute. Supports all tokens. No API Keys required.
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Polygon Facilitator
Production-grade x402 facilitator for Polygon networks. Supports EIP-3009 USDC payments with verify and settle capabilities on Polygon Mainnet and Polygon Amoy testnet.
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Primer Facilitator
x402 v1 & v2 facilitator on Base, with full ERC-20 support - not just EIP-3009.
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RelAI Facilitator
Multi-chain x402 facilitator with gas-sponsored USDC payments on Ethereum, Polygon, Base, Avalanche, SKALE, and Solana. Zero gas fees for users.
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SolPay
Solana x402 facilitator powering crypto payments for storefronts and APIs. USDC settlements with sub-second finality, trustless escrow, and WooCommerce integration.
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Treasure Facilitator
Treasure x402 Facilitator available on Base and Base Sepolia. Supports EIP-3009 compliant tokens including USDC, MAGIC, SMOL, MIO, AI Frens tokens, and more.
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Ultravioleta DAO
Production-grade multi-chain facilitator in Rust supporting 19 mainnets across 7 blockchain families with 5 stablecoins, commerce settlements, and ERC-8004 reputation.
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WorldFun Facilitator
AWE World.fun’s x402 Facilitator enables fee-free EIP-3009 payments in USDC and other ERC-20 tokens, handling verification and settlement on Base so developers don’t need blockchain infrastructure.
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x402.org Facilitator
Default testnet facilitator for x402
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x402.rs Facilitator
Independent, open-source facilitator in Rust. Easy to self-host, extend to new networks, or use via our hosted instance.
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xEcho Facilitator
xEcho Facilitator implements on-chain settlement callbacks, enabling on-chain post-payment programmability to support pay-to-earn and outcome-based payment scenarios.
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xpay Facilitator
Serverless x402 facilitator on AWS with global edge distribution. Supports EIP-3009 USDC payment verification and settlement on Base mainnet and Base Sepolia.
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