{"uid":"cap_kxQHE8OpQuw36u3BS2erV","slug":"quantaflow-x402-api-gateway-infura-base-mainnet-52f6c84e","name":"QuantaFlow x402 API Gateway – Infura Base Mainnet","description":"Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.","url":"https://quanta-roan.vercel.app/api/service/infura-base-mainnet?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_FNQArWvH_f54nAxYFcTlH","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 Infura's Base mainnet JSON-RPC endpoint via the x402 micropayment protocol, charging $0.01 USDC per call","exampleAgentPrompt":"Query the Base mainnet blockchain via Infura — call eth_getBalance for address 0xAbC123... at the latest block and pay the $0.01 USDC fee per request.","exampleUseCases":[{"title":"Check DeFi wallet balance on Base","prompt":"Look up the ETH balance of wallet 0x1234abcd... on Base mainnet using Infura — I need the latest balance and I'm fine paying the per-call fee."},{"title":"Fetch latest Base block number","prompt":"Get the current block number on the Base mainnet from Infura right now — just call eth_blockNumber and return the result."},{"title":"Read smart contract state on Base","prompt":"Call eth_call on the Base mainnet contract at 0xDeFi5678... with the encoded getReserves() function data so I can check current liquidity pool reserves."}],"resultDescription":"The raw upstream response from Infura's Base mainnet JSON-RPC node is passed through transparently — including JSON-RPC result fields, block data, transaction receipts, account balances, or error objects — after successful $0.01 USDC micropayment via the x402 protocol.","failureModes":["Payment failure: insufficient USDC balance causes 402 Payment Required before request is forwarded","Invalid JSON-RPC method: upstream returns a JSON-RPC error object with code and message","Network congestion: upstream Infura latency spike or timeout","Malformed path or body: gateway may reject or misroute the request","Rate limiting: Infura upstream quota exceeded returns 429 or JSON-RPC error"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to Base mainnet JSON-RPC without committing to a monthly Infura subscription — ideal for low-frequency agent tasks, one-off blockchain queries, or DeFi workflows that need micropayment-native billing via x402 on Base L2.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:42:36.432Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-infura-base-mainnet-52f6c84e"}