{"uid":"cap_31s_A2X94jWXKfu_u67sj","slug":"x402-crypto-market-data-symbol-info-lookup-30614229","name":"x402 Crypto Market Data – Symbol Info Lookup","description":"On-demand crypto market data. Discover available trading pairs for free, then retrieve live prices, market metadata, and historical candlesticks when you need them.","url":"https://x402-crypto-market-data.up.railway.app/symbol-infos","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"symbols":{"type":"array","items":{"type":"string"},"examples":[["BTCUSDT","ETHUSDT"]],"maxItems":10,"minItems":2,"description":"Trading symbols to look up, e.g. BTCUSDT."}}},"responseSchema":{"type":"json","example":{"infos":{"BTCUSDT":{"status":"TRADING","symbol":"BTCUSDT","baseAsset":"BTC","quoteAsset":"USDT","quotePrecision":8,"baseAssetPrecision":8,"quoteAssetPrecision":8},"ETHUSDT":{"status":"TRADING","symbol":"ETHUSDT","baseAsset":"ETH","quoteAsset":"USDT","quotePrecision":8,"baseAssetPrecision":18,"quoteAssetPrecision":8}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_30UPm0YR6GYspvlKaqmTs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves trading metadata for up to 10 cryptocurrency trading pairs, including status, base/quote assets, and precision settings.","exampleAgentPrompt":"Can you look up the trading symbol info for BTCUSDT and ETHUSDT — I need to know their status, base and quote assets, and precision settings?","exampleUseCases":[{"title":"Validating crypto pairs before trading","prompt":"Before I place any orders, can you check whether BTCUSDT and SOLUSDT are actively trading and tell me their base and quote asset details?"},{"title":"Building a trading bot with precision data","prompt":"I'm setting up automated trades and need the exact quote and base asset precision for BTCUSDT, ETHUSDT, and BNBUSDT so I can format my order sizes correctly."},{"title":"Verifying exchange pair composition","prompt":"Can you confirm what assets make up the ETHUSDT and ADAUSDT pairs — like which is the base and which is the quote — and what their precision levels are?"}],"resultDescription":"Returns a JSON object keyed by trading symbol, each containing the symbol's trading status (e.g. TRADING), base asset, quote asset, quote precision, base asset precision, and quote asset precision values.","failureModes":["Fewer than 2 symbols provided — API requires minItems: 2","More than 10 symbols provided — API enforces maxItems: 10","Unknown or invalid symbol names result in missing or empty entries in the response","Payment failure via x402 protocol blocks access to paid response","Network timeout from Railway-hosted service under load"],"whenToPreferThis":"Use this endpoint when you need structured trading metadata — asset composition, precision, and status — for multiple crypto pairs at once. It is distinct from price endpoints: it returns exchange configuration data, not live prices or historical candlesticks. Prefer this when building trading bots that need precision settings, validating whether pairs exist and are active, or enriching a list of symbols with metadata before further processing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:31:20.194Z","isFirstParty":false}