{"uid":"cap_ntT-e8n-qWJugp0169AB8","slug":"basebuilder2-crypto-coinranking-endpoint-04c1fb13","name":"Basebuilder2 Crypto - CoinRanking Endpoint","description":"BaseBuilder Crypto API hub - 26 paid endpoints","url":"https://bbx-crypto.vercel.app/api/coinranking1","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.108513","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":"$0.108513/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.108513","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.108513","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_x4JdUtWhzktQbi-c8_Qz-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.108513","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies CoinRanking cryptocurrency data via a paid x402 micropayment-gated API endpoint","exampleAgentPrompt":"What are the top 20 cryptocurrencies ranked by market cap right now, with their current prices and 24-hour change percentages?","exampleUseCases":null,"resultDescription":"Returns a ranked list of cryptocurrencies with associated market data including price, market capitalization, trading volume, and percentage price changes, sourced from CoinRanking.","failureModes":["Payment not received or insufficient USDC balance causes 402 rejection","Invalid or malformed query parameters return 400 error","CoinRanking upstream API unavailable causes 503 or timeout","Rate limit exceeded returns 429 error","Missing required authentication or x402 payment header causes access denial"],"whenToPreferThis":"Choose this endpoint when you need ranked cryptocurrency market data (prices, market cap, volume) and are operating in an x402 micropayment environment. Prefer over free alternatives when reliability and pay-per-use billing are priorities, or when integrating into an agent workflow that already handles x402 payments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:55:40.860Z","isFirstParty":false}