{"protocolVersion":"0.3.0","name":"Spotrate","description":"Coinbase spot prices and exchange rates. Spot, buy and sell prices for any Coinbase pair, and exchange rates from one currency to every other. Fiat and crypto. Send a data part {\"skill\": \"<id>\", \"input\": {...}}; every call is paid in USDC on Arc via x402.","url":"https://arcusnetwork.co/a2a/spotrate","preferredTransport":"JSONRPC","version":"1.0.0","provider":{"organization":"spotrate.co","url":"https://arcusnetwork.co/merchants/spotrate"},"iconUrl":"https://arcusnetwork.co/brand/logo.png","documentationUrl":"https://arcusnetwork.co/merchants/spotrate","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":"0x1596Cc683D0e34aB310be64d92A31DfA06956F74"}}]},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json"],"skills":[{"id":"spot","name":"Spot price","description":"The current spot price for a pair like BTC-USD. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: pair (required): Pair.","tags":["spotrate","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"spot\",\"input\":{\"pair\":\"ETH-USD\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"rates","name":"Exchange rates","description":"Rates from a currency to every currency Coinbase quotes. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: currency (required): Currency.","tags":["spotrate","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"rates\",\"input\":{\"currency\":\"USDC\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]}],"erc8004":{"agentId":266,"agentRegistry":"eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"}}