{"uid":"cap_f16a4Wzcs0jkFPYMao4Q4","slug":"crypto-market-top-coins-bcea62cc","name":"Crypto Market Top Coins","description":"Pay-per-request crypto & stock market data for AI agents and developers, settled in USDC on Base via x402.","url":"https://market-data-x402-5wh8-ivory.vercel.app/api/crypto/top","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["limit"],"properties":{"limit":{"type":"string","description":"Number of coins to return (1-50)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"top_losers":[],"top_gainers":[],"top_by_market_cap":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yvzAQZZz9YsmAOuiR2Q-q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns top cryptocurrencies by market cap, top gainers, and top losers for a configurable number of coins","exampleAgentPrompt":"Show me the top 20 cryptocurrencies right now — I want to see which ones are gaining the most, which are losing the most, and how they rank by market cap.","exampleUseCases":[{"title":"Daily crypto market snapshot","prompt":"Give me a quick summary of the top 25 crypto coins today — which ones are the biggest gainers, which are the biggest losers, and how they stack up by market cap."},{"title":"Spot trending coins for a trade","prompt":"I'm thinking about making a crypto trade — can you pull up the top 10 gainers and losers right now so I can see what's moving?"},{"title":"Monitor market for a newsletter","prompt":"For my weekly crypto newsletter, pull the top 50 coins and list the top gainers, top losers, and the overall market cap leaders."}],"resultDescription":"A JSON object containing three arrays: top_gainers (coins with the highest price increases), top_losers (coins with the largest price drops), and top_by_market_cap (coins ranked by total market capitalization), each containing up to the requested number of coins with relevant price and market data.","failureModes":["limit parameter missing or out of range (1-50) may cause validation error","service unavailability on the Vercel deployment could return 5xx errors","stale or delayed market data if upstream data provider has latency","payment of $0.006 USDC required per call; unpaid requests return 402"],"whenToPreferThis":"Use this endpoint when you need a quick, ranked overview of the cryptocurrency market including gainers, losers, and market cap leaders in a single call. Prefer it over individual coin lookup endpoints when you need a market-wide leaderboard rather than data on a specific asset.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:32:20.439Z","isFirstParty":false}