{"uid":"cap_5aMmGe2ir-TEHtzlPYwFM","slug":"quantaflow-x402-gateway-coinpaprika-proxy-4540a199","name":"QuantaFlow x402 Gateway – CoinPaprika Proxy","description":"Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.","url":"https://quanta-roan.vercel.app/api/service/coinpaprika?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"body":{"type":"string","description":"Optional JSON body forwarded to POST requests."},"path":{"type":"string","description":"Path below the selected upstream origin."},"query":{"type":"object"},"method":{"enum":["GET","POST"],"type":"string"}}},"responseSchema":{"description":"The upstream response body and content type are passed through after successful payment."},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i7Hfn7_kgEDHG7ln0fndF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies requests to the CoinPaprika cryptocurrency data API via the x402 micropayment protocol, charging $0.01 USDC per call","exampleAgentPrompt":"Pull the current price and 24-hour trading volume for Bitcoin from CoinPaprika — I need the live market data right now and I'm happy to pay the micropayment per call.","exampleUseCases":[{"title":"Live crypto price check","prompt":"What's the current USD price of Ethereum according to CoinPaprika? Grab the ticker data including market cap and 24h volume."},{"title":"DeFi token market research","prompt":"Fetch CoinPaprika's full details for the coin with ID 'uniswap-uni' — I want to see its circulating supply, rank, and price history."},{"title":"Portfolio valuation snapshot","prompt":"I need the current prices for Bitcoin, Ethereum, and Solana from CoinPaprika so I can calculate the value of my portfolio — pull each one's ticker data."}],"resultDescription":"The raw upstream response from CoinPaprika is passed through after successful x402 micropayment, including cryptocurrency price, market cap, volume, supply, and other coin metadata in JSON format.","failureModes":["Payment failure if wallet has insufficient USDC balance","Invalid path resulting in CoinPaprika 404 response","Malformed query parameters causing upstream API errors","x402 protocol negotiation failure if client does not support the payment flow","Rate limiting from upstream CoinPaprika API"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to CoinPaprika cryptocurrency data without a traditional API key subscription, particularly in web3/DeFi agent workflows where on-chain USDC micropayments via x402 are the preferred payment mechanism.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T00:50:48.220Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-gateway-coinpaprika-proxy-4540a199"}