{"uid":"cap_R7WNb_7fVdfWK-B9hmWQy","slug":"quantaflow-x402-api-gateway-alchemy-megaeth-mainnet-2110e785","name":"QuantaFlow x402 API Gateway – Alchemy MegaETH 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-megaeth-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_hHba7HIeVupX0rki4pLTY","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 paid HTTP requests to the Alchemy MegaETH mainnet RPC/API endpoint, charging $0.01 USDC per call via the x402 payment protocol.","exampleAgentPrompt":"Query the MegaETH mainnet via Alchemy to get the latest block number — use the x402 pay-per-call gateway and forward a JSON-RPC eth_blockNumber request.","exampleUseCases":[{"title":"Fetch latest MegaETH block","prompt":"Get the latest block number on MegaETH mainnet by sending an eth_blockNumber JSON-RPC call through the Alchemy gateway."},{"title":"Read smart contract state","prompt":"Call eth_call on MegaETH mainnet to read the balanceOf function for address 0xABC...123 on the USDC contract — use the pay-per-request Alchemy endpoint."},{"title":"Look up transaction receipt","prompt":"Fetch the transaction receipt for tx hash 0xDEF...456 on MegaETH mainnet using the Alchemy RPC gateway."}],"resultDescription":"The raw upstream response body from Alchemy's MegaETH mainnet API, passed through as-is with its original content type (typically JSON-RPC response). Payment is deducted automatically before the response is returned.","failureModes":["Insufficient USDC balance or x402 payment failure — returns 402 Payment Required","Invalid path or unsupported RPC method — upstream returns 400 or 404","Alchemy upstream unavailable — returns 502/503","Malformed JSON body — upstream rejects with 400","Rate limit exceeded on upstream Alchemy node — returns 429"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to the Alchemy MegaETH mainnet RPC without committing to a subscription, or when your agent operates in a web3 environment that supports the x402 micropayment protocol and you want to minimize upfront API key management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:35:56.712Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-megaeth-mainnet-2110e785"}