{"name":"PayGuard","description":"Sanctions screening of crypto addresses for AI agents: reports whether an address appears in the US Treasury OFAC SDN list, with the matching entity, programs and list date. Paid per call over x402; free preview and remote MCP.","paid":[{"methods":["GET","POST"],"path":"/v1/address","param":"address","price":"$0.001","network":"eip155:8453","asset":"USDC","payTo":"0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F","facilitator":"https://api.cdp.coinbase.com/platform/v2/x402","x402":["v2","v1"]},{"methods":["POST"],"path":"/v1/batch","param":"addresses","max":50,"price":"$0.01","network":"eip155:8453","asset":"USDC","payTo":"0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F","facilitator":"https://api.cdp.coinbase.com/platform/v2/x402","x402":["v2","v1"]}],"testnet":[{"methods":["GET","POST"],"path":"/solana-devnet/v1/address","url":"https://payguard.agentgate.workers.dev/solana-devnet/v1/address","param":"address","price":"$0.001","network":"solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1","networkV1Name":"solana-devnet","asset":"USDC (devnet)","assetAddress":"4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU","payTo":"DmeY2NNcgbgSd2S7HTipepnCnFsfF6bhmBEms3ctknkq","facilitator":"https://x402.org/facilitator","x402":["v2"],"testnet":true,"note":"Solana devnet test route (no real money). Same result as /v1/address. Devnet USDC: https://faucet.circle.com (Solana Devnet); no SOL needed, the facilitator pays the fee."},{"methods":["GET","POST"],"path":"/stellar-testnet/v1/address","url":"https://payguard.agentgate.workers.dev/stellar-testnet/v1/address","param":"address","price":"0.01 XLM (testnet)","amount":"100000","network":"stellar:testnet","asset":"XLM (native Stellar Asset Contract, testnet)","assetAddress":"CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC","payTo":"GD2I22CZ7K6BJR2JLN54LDM7TSXFSMTDWYFPJECWXZOHK3TFM6PEX44I","facilitator":"https://x402.org/facilitator","x402":["v2"],"testnet":true,"note":"Stellar testnet test route (no real money). Same result as /v1/address. Fund a testnet account free with Friendbot (https://friendbot.stellar.org/?addr=G...); fees are sponsored by the facilitator."},{"methods":["GET","POST"],"path":"/goat-testnet3/v1/address","url":"https://payguard.agentgate.workers.dev/goat-testnet3/v1/address","param":"address","price":"0.001 tUSDC or USDC (GOAT Testnet3)","amount":"1000","network":"eip155:48816","chainId":48816,"asset":"tUSDC (PayGuard Test USD, EIP-3009) or GOAT x402 test USDC","assetAddress":"0x4aa7292d13801011C3A638CA2C16fFa85a06Bc43","assetAddresses":["0x4aa7292d13801011C3A638CA2C16fFa85a06Bc43","0x29D1Ee93e9ecf6E50F309f498e40a6b42D352Fa1"],"payTo":"0x35A4577c2Bd3c6dC283285c879C3E5cfD252C6a1","facilitator":"https://goat-facilitator.agentgate.workers.dev","x402":["v2"],"testnet":true,"explorer":"https://explorer.testnet3.goat.network","note":"GOAT Network Testnet3 test route (no real money). Same result as /v1/address. Get tUSDC from the token's open faucet (faucet() or faucetTo(address), 10 tUSDC/day); no gas needed to pay, our facilitator pays the testnet BTC gas."}],"free":["/health","/v1/preview","/mcp","/v1/list","/v1/stats","/openapi.json","/.well-known/x402"],"freeTier":{"preview":{"methods":["GET","POST"],"path":"/v1/preview","limit":"10 requests/min per IP","returns":"sanctioned true/false, match count and chain guess (no entity, program, list date or checksum details)"},"mcp":{"method":"POST","path":"/mcp","transport":"streamable-http","tools":["screen_address"],"limit":"10 tool calls/min per IP (preview tier)"}},"data":{"list":"US Treasury OFAC Specially Designated Nationals (SDN) list","source_url":"https://sanctionslistservice.ofac.treas.gov/api/PublicationPreview/exports/SDN.XML","list_updated_at":"2026-10-21","sdn_address_count":1050,"sdn_entities_with_addresses":106,"by_currency":{"ARB":1,"BCH":7,"BNB":1,"BSC":1,"BSV":1,"BTG":1,"DASH":5,"DOGE":2,"ETC":1,"ETH":120,"LTC":14,"SOL":4,"TRX":261,"USDC":2,"USDT":94,"XBT":533,"XMR":11,"XRP":1,"XVG":1,"ZEC":4},"refresh":"daily rebuild from the official Treasury file; unchanged lists are not redeployed","engine":"payguard-2026-10-21"},"policy":{"storage":"inputs are not stored or logged","charging":"only HTTP 200 results are settled; invalid input is free","network":"screening is an in-memory lookup; no third-party calls"},"disclaimer":"Informational screening against the public OFAC SDN list (digital currency address identifiers only). Not legal advice. A clear result does not mean an address or its owner is unsanctioned or low-risk; OFAC sanctions also apply to persons and property not listed by address.","source":"https://agentgate-source.pages.dev/x402-payguard/","allTools":"https://youraitools.co/built-by-us","npm":"https://www.npmjs.com/package/@agentgate-builder/payguard","endpoint":"https://payguard.agentgate.workers.dev","networks":[{"network":"eip155:8453","name":"Base","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","symbol":"USDC","payTo":"0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F"},{"network":"eip155:137","name":"Polygon","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","symbol":"USDC","payTo":"0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F"},{"network":"eip155:42161","name":"Arbitrum One","asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","symbol":"USDC","payTo":"0x3c1A1E01e790Cd326495631B3b38Bd7068F08d6F"},{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","name":"Solana","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","symbol":"USDC","payTo":"FH73WbbUe2UyNzfy72MJs5nT3NxyDf9GrqE7kzjL2Jte"}]}