{"uid":"cap_5KgiNnohkxH_0yOFeby1Z","slug":"quantaflow-x402-api-gateway-alchemy-mantle-mainnet-bda10333","name":"QuantaFlow x402 API Gateway – Alchemy Mantle 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-mantle-mainnet","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_HPJI51TnrKnObayiPL2_D","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 Mantle mainnet RPC/API endpoint via x402 micropayment protocol, charging $0.01 USDC per call","exampleAgentPrompt":"Fetch the current token balances for wallet address 0xABC123 on Mantle mainnet using Alchemy — I want to see all ERC-20 holdings.","exampleUseCases":[{"title":"Check wallet token balances on Mantle","prompt":"Look up all ERC-20 token balances for the wallet 0xDEADBEEF00000000000000000000000000000001 on Mantle mainnet and tell me what tokens it holds and in what amounts."},{"title":"Fetch latest block data on Mantle","prompt":"Get the latest block number and its transaction count on Mantle mainnet right now — I want to know how active the network is."},{"title":"Query smart contract state on Mantle","prompt":"Call the read function 'totalSupply' on the smart contract at 0x1234567890abcdef1234567890abcdef12345678 on Mantle mainnet and return the result."}],"resultDescription":"The raw upstream response from Alchemy's Mantle mainnet API is passed through after successful x402 payment verification — including blockchain RPC results, token data, transaction details, or other Alchemy Enhanced API responses in their native JSON format.","failureModes":["Payment failure: insufficient USDC balance or x402 payment not accepted — request blocked before forwarding","Invalid path: upstream Alchemy endpoint path not found, returns 404 from upstream","Alchemy API error: upstream RPC error or rate limit from Alchemy returned as-is","Malformed request body: invalid JSON in body field causes upstream rejection","Network timeout: Mantle mainnet node unresponsive or slow, causing gateway timeout"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to Alchemy's Mantle mainnet APIs without committing to an Alchemy subscription or managing API keys — ideal for agents that make occasional or bursty Mantle blockchain queries and want to pay only for what they use via x402 micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:41:36.495Z","isFirstParty":false}