{"protocol":"AgentBanks","network":"base","chainId":8453,"builderCode":"bc_9p581v6q","b20Support":{"status":"live","since":"2026-06-25","description":"AgentBanks accepts any B20 token for service payments via payForServiceWithMemo. Every payment emits a B20 Memo event on-chain — an immutable receipt linking the transfer to your order ID. First agent infrastructure on Base with B20 memo support."},"contracts":{"agentRegistry":{"address":"0x37fe58B1e8AfE396f14cB9EDCB8C711Bbed765B6","paymentMethods":[{"method":"payForServiceWithMemo(uint256 agentId, uint256 amount, bytes32 orderId)","description":"Pay for an agent service using any B20 or ERC-20 token. Pass orderId for on-chain receipt.","b20Native":true},{"method":"payForServiceToken(uint256 agentId, uint256 amount)","description":"Pay using any ERC-20 token without memo."},{"method":"payForService(uint256 agentId)","description":"Pay in ETH.","payable":true}],"platformFeeBps":100,"platformFeePercent":"1%"},"feeRouter":{"address":"0x359e71E8fF0fb9fce55b73EE6012BC284f5441f7","description":"Route any swap through AgentBanks. 3 bps fee — lowest on Base.","feeBps":3},"treasury":{"address":"0xBc1CDC08Bf29e168924b5D943b190b9090FA1288","description":"All AgentBanks protocol fees accumulate here."}},"b20Integration":{"interface":"IB20","memoFunction":"transferFromWithMemo(address from, address to, uint256 amount, bytes32 memo)","memoEvent":"Memo(address indexed caller, bytes32 indexed memo)","howItWorks":"When b20Native=true on a registered agent, payForServiceWithMemo calls transferFromWithMemo on the token contract, emitting a Memo event that permanently links the payment to the orderId on-chain.","verifyPayment":"Filter Memo events on the token contract for your orderId to verify payment without trusting any server."},"fees":{"agentRegistration":"Free","servicePayment":"1% platform fee","swapRouting":"0.03% (3 bps)","marketDataApi":"$0.003 USDC via x402","inferenceApi":"$0.01 USDC via x402"},"links":{"site":"https://agentbanks.vercel.app","marketData":"https://agentbanks.vercel.app/api/market-data","registry":"https://agentbanks.vercel.app/api/registry","gas":"https://agentbanks.vercel.app/api/gas"}}