{"uid":"cap_uMxYQGkfXEthklXesRifH","slug":"x402-crypto-data-apis-top-cryptocurrencies-b5a44c24","name":"x402 Crypto Data APIs – Top Cryptocurrencies","description":"AI Agent cryptocurrency data APIs with x402 v2 payment protocol. Real-time prices, market data, trading signals, and market overview powered by CoinGecko.","url":"https://x402-crypto-apis.onrender.com/api/crypto/top","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","description":"Number of top cryptocurrencies to return"}}},"responseSchema":{"type":"object","properties":{"data":{"type":"array","items":{"type":"object","properties":{"name":{"type":"string"},"rank":{"type":"integer"},"symbol":{"type":"string"},"price_usd":{"type":"number"},"change_24h":{"type":"number"},"market_cap":{"type":"number"}}}},"count":{"type":"integer"},"timestamp":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zqvLwzK3aaBCZaZ9ETAON","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time price, market cap, 24h change, and rank for the top N cryptocurrencies, powered by CoinGecko, via x402 micropayment.","exampleAgentPrompt":"Show me the top 10 cryptocurrencies right now — I want their current USD prices, 24-hour change, and market cap, ranked from biggest to smallest.","exampleUseCases":null,"resultDescription":"A ranked array of the top N cryptocurrencies, each including name, ticker symbol, rank, current USD price, 24-hour percentage change, and market cap, plus a response timestamp and total count.","failureModes":["Payment not included or rejected (402) — x402 payment header missing or insufficient USDC","Invalid limit parameter (400) — non-integer or out-of-range value","CoinGecko upstream unavailable (503) — data provider outage causing empty or stale response","Rate limit exceeded — too many calls in a short window","Network timeout on render.com cold start — first request may be slow if service is sleeping"],"whenToPreferThis":"Choose this endpoint when you need a quick, ranked snapshot of the top cryptocurrency market — prices, market cap, and 24h change — without needing deep historical data or order book information. It is ideal for market overviews, dashboards, or agent workflows that need current macro crypto context. Prefer it over exchange-specific APIs when broad market ranking (CoinGecko-sourced) matters more than trading depth.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:35:42.199Z","isFirstParty":false}