{"protocolVersion":"0.3.0","name":"Arcus Data","description":"On-chain and web data for agents, paid per call. Our reference merchant. Arc wallet, token and transaction lookups plus a clean web-page extractor — each call is a gasless USDC payment settled by Arcus on Arc mainnet. Send a data part {\"skill\": \"<id>\", \"input\": {...}}; every call is paid in USDC on Arc via x402.","url":"https://arcusnetwork.co/a2a/arcus","preferredTransport":"JSONRPC","version":"1.0.0","provider":{"organization":"Arcus Labs","url":"https://arcusnetwork.co/merchants/arcus"},"iconUrl":"https://arcusnetwork.co/brand/logo.png","documentationUrl":"https://arcusnetwork.co/merchants/arcus","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":[{"uri":"https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.2","description":"Pay per call with x402 in USDC on Arc Mainnet. Settled gaslessly by the Arcus facilitator.","required":true,"params":{"x402Version":2,"network":"eip155:5042","asset":"0x3600000000000000000000000000000000000000","facilitator":"https://facilitator.arcusnetwork.co","payTo":"0x7f90c5DEEa9f3d868Ae14DC005536e61cD7d181a"}}]},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json"],"skills":[{"id":"wallet","name":"Wallet snapshot","description":"USDC and $ARCUS balances, transaction count and account type for any Arc address. Price: $0.002 USDC per call, settled on Arc Mainnet. Input: address (required): Address.","tags":["arcus","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"wallet\",\"input\":{\"address\":\"0xE074bF7F0AA27642059e6Fcc40688B61d8265B49\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"token","name":"Token info","description":"Name, symbol, decimals and total supply of any ERC-20 on Arc. Price: $0.002 USDC per call, settled on Arc Mainnet. Input: address (required): Token address.","tags":["arcus","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"token\",\"input\":{\"address\":\"0xB7C934FF18730c24e6113BB4bC5A68feEf16fD29\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"tx","name":"Transaction explainer","description":"Status, parties, gas and every decoded ERC-20 transfer in an Arc transaction. Price: $0.003 USDC per call, settled on Arc Mainnet. Input: hash (required): Transaction hash.","tags":["arcus","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"tx\",\"input\":{\"hash\":\"0x88851eab1d67888a81f8d3b0c48a1324a1aa288bfb955037705dbc1ccb484d58\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"extract","name":"Web page extractor","description":"Title, description, headings and clean readable text from any public URL — built for LLM context. Price: $0.005 USDC per call, settled on Arc Mainnet. Input: url (required): URL.","tags":["arcus","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"extract\",\"input\":{\"url\":\"https://www.x402.org\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"cat-fact","name":"Cat fact","description":"One random cat fact. The classic x402 hello-world. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: none.","tags":["arcus","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"cat-fact\",\"input\":{}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]}],"erc8004":{"agentId":232,"agentRegistry":"eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"}}