{"uid":"cap_W-wJEkDTAZkM6gW-PeWry","slug":"agent402-tools-crypto-market-cap-rankings-61bcb1ae","name":"agent402.tools Crypto Market Cap Rankings","description":"Top N coins by market capitalization with full market snapshot per coin: rank, price, 24h change, 7d change, 24h volume, market cap, circulating supply, and all-time high. Default 10, max 100 per call. Backed by CoinGecko's public API.","url":"https://agent402.tools/api/crypto-market","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"number","description":"Number of coins to return (1-100, default 10)"},"currency":{"type":"string","description":"vs_currency (default: usd)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["currency","count","coins"],"properties":{"coins":{"type":"array","items":{"type":"object"}},"count":{"type":"integer"},"currency":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"coins":[{"id":"bitcoin","ath":73750,"name":"Bitcoin","rank":1,"price":67234.12,"symbol":"btc","athDate":"2024-03-14T07:10:36Z","marketCap":1320000000000,"volume24h":28100000000,"change7dPct":4.81,"change24hPct":1.42,"circulatingSupply":19700000},{"id":"ethereum","ath":4878.26,"name":"Ethereum","rank":2,"price":3520.45,"symbol":"eth","athDate":"2021-11-10T14:24:11Z","marketCap":423000000000,"volume24h":14200000000,"change7dPct":1.92,"change24hPct":2.18,"circulatingSupply":120300000}],"count":2,"currency":"usd"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","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":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0UPnephSJDiDR3uWf9Qt9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top N cryptocurrencies ranked by market cap, with full market data per coin including price, 24h/7d change, volume, market cap, supply, and ATH","exampleAgentPrompt":"Show me the top 20 cryptocurrencies ranked by market cap in USD, including their price, 24-hour and 7-day changes, volume, and all-time highs.","exampleUseCases":null,"resultDescription":"An ordered list of up to 100 coins (default 10), each with rank, current price, 24h % change, 7d % change, 24h trading volume, market cap, circulating supply, and all-time high — all denominated in the requested currency (default USD), sourced live from CoinGecko.","failureModes":["limit out of range (must be 1–100) — returns validation error","unsupported currency string — may return empty or error from CoinGecko upstream","CoinGecko upstream unavailable — results in 502 or timeout","payment not included or insufficient — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a ranked market-cap leaderboard with comprehensive per-coin metrics (price, changes, volume, supply, ATH) for up to 100 coins in a single call. Prefer it over a global market snapshot endpoint when you need per-coin breakdown rather than aggregate totals, and over a historical data endpoint when you need current real-time standings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:01:59.221Z","isFirstParty":false}