{"uid":"cap_p_cGMIZMiUrXzFumR5ya9","slug":"basebuilder-crypto-coingecko-proxy-0b7254f1","name":"BaseBuilder Crypto CoinGecko Proxy","description":"BaseBuilder Crypto API hub - 26 paid endpoints","url":"https://bb-crypto.vercel.app/api/coingecko","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.114196","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":"$0.114196/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.114196","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.114196","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_reMZq57KMJqeiJiUTJuiv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.114196","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies CoinGecko cryptocurrency market data requests via a paid x402 micropayment-gated API endpoint","exampleAgentPrompt":"Can you pull the current price, market cap, and 24-hour trading volume for Bitcoin in USD from CoinGecko?","exampleUseCases":[{"title":"Real-time crypto price check","prompt":"What's the current price of Ethereum in USD right now, along with its market cap and 24-hour volume?"},{"title":"Portfolio valuation snapshot","prompt":"I need the latest prices for Bitcoin, Ethereum, and Solana in USD so I can calculate the current value of my crypto portfolio."},{"title":"Token research for DeFi app","prompt":"Fetch me the full market data for Chainlink from CoinGecko — price, market cap, circulating supply, and 24-hour price change percentage."}],"resultDescription":"Returns CoinGecko market data for the requested cryptocurrency, typically including current price, market capitalization, 24-hour trading volume, price change percentages, circulating supply, and other coin metadata, depending on the CoinGecko endpoint proxied.","failureModes":["Payment not accepted — 402 returned if USDC micropayment not included or insufficient","Invalid coin ID or symbol returns empty or error response","CoinGecko API rate limit or downtime causes upstream failure","Malformed POST body results in 400 bad request","Unsupported currency denomination returns no price data"],"whenToPreferThis":"Choose this endpoint when you need CoinGecko market data but want a micropayment-gated proxy that integrates with x402 payment flows on Base, avoiding direct CoinGecko API key management. Useful for agents operating within x402-enabled payment infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:35:03.799Z","isFirstParty":false}