{"uid":"cap_3A9hNsG0CerUQzBqIhdGA","slug":"quantaflow-x402-api-gateway-alchemy-linea-mainnet-1e0d57f3","name":"QuantaFlow x402 API Gateway — Alchemy Linea 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/alchemy-linea-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_OrIID3tlIXTHEN2fV2VYk","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 Alchemy's Linea Mainnet JSON-RPC endpoint via the x402 micropayment protocol, charging $0.01 USDC per call.","exampleAgentPrompt":"Check the current block number on Linea mainnet using Alchemy — forward a JSON-RPC eth_blockNumber call and pay the per-request fee automatically.","exampleUseCases":[{"title":"Smart contract state read on Linea","prompt":"Call the eth_call method on Linea mainnet to read the current token balance of address 0xABC...123 from contract 0xDEF...456 — use the Alchemy Linea gateway and handle the micropayment automatically."},{"title":"Latest Linea transaction lookup","prompt":"Fetch the details of transaction 0x789...abc on Linea mainnet via Alchemy RPC so I can see its status and gas used."},{"title":"Real-time Linea gas price check","prompt":"Get the current gas price on Linea mainnet right now using the Alchemy endpoint — I need it to estimate fees before submitting a transaction."}],"resultDescription":"The raw upstream JSON-RPC response body from Alchemy's Linea Mainnet endpoint, passed through with its original content type after the $0.01 USDC x402 micropayment is settled.","failureModes":["Payment failure — insufficient USDC balance or x402 payment not accepted, returns 402 Payment Required","Invalid path — unsupported or malformed RPC path returns an upstream error","Alchemy upstream error — Linea node unavailable or RPC method not supported returns 5xx or JSON-RPC error","Malformed body — invalid JSON body causes upstream parse error","Rate limit — Alchemy upstream rate limit exceeded returns 429"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to Alchemy's Linea Mainnet RPC without managing an Alchemy API key subscription, and your agent supports the x402 micropayment protocol for automatic per-request USDC settlement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:30:48.003Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-linea-mainnet-1e0d57f3"}