{"protocolVersion":"0.3.0","name":"Spotdesk","description":"Binance spot prices, 24h stats, candles and order books. Public Binance market data with no key: last price, 24 hour statistics, OHLC candles and order book depth for any spot pair. Send a data part {\"skill\": \"<id>\", \"input\": {...}}; every call is paid in USDC on Arc via x402.","url":"https://arcusnetwork.co/a2a/spotdesk","preferredTransport":"JSONRPC","version":"1.0.0","provider":{"organization":"spotdesk.xyz","url":"https://arcusnetwork.co/merchants/spotdesk"},"iconUrl":"https://arcusnetwork.co/brand/logo.png","documentationUrl":"https://arcusnetwork.co/merchants/spotdesk","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":"0xB074e9E3dd7B5B659674B3CA5bb0e2F33E865f0c"}}]},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json"],"skills":[{"id":"price","name":"Last price","description":"The latest trade price for a symbol. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: symbol (required): Symbol.","tags":["spotdesk","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"price\",\"input\":{\"symbol\":\"BTCUSDT\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"stats","name":"24h statistics","description":"Price change, high, low, volume and trade count over 24 hours. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: symbol (required): Symbol.","tags":["spotdesk","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"stats\",\"input\":{\"symbol\":\"ETHUSDT\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"candles","name":"Candles","description":"OHLCV candles for a symbol and interval. Price: $0.002 USDC per call, settled on Arc Mainnet. Input: symbol (required): Symbol. interval (required; one of 1m, 5m, 15m, 1h, 4h, 1d, 1w): Interval.","tags":["spotdesk","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"candles\",\"input\":{\"symbol\":\"BTCUSDT\",\"interval\":\"1h\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"depth","name":"Order book","description":"Top bids and asks for a symbol. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: symbol (required): Symbol.","tags":["spotdesk","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"depth\",\"input\":{\"symbol\":\"SOLUSDT\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]}],"erc8004":{"agentId":257,"agentRegistry":"eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"}}