{"uid":"cap_WGkb3p5YF1FW5_IcwUaRf","slug":"quantaflow-x402-api-gateway-alchemy-avalanche-mainnet-b1e9cb47","name":"QuantaFlow x402 API Gateway — Alchemy Avalanche 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-avax-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_u_tvR4eQoQ2idbuFX6i8M","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 Alchemy Avalanche (AVAX) mainnet RPC/API endpoint via x402 micropayment-gated passthrough for $0.01 USDC per call.","exampleAgentPrompt":"Query the latest block number on Avalanche C-Chain mainnet through Alchemy — forward a POST to the eth_blockNumber RPC method and pay the $0.01 USDC fee per call.","exampleUseCases":[{"title":"Check AVAX wallet balance on-chain","prompt":"Look up the current AVAX balance for wallet address 0xAbC123... on Avalanche mainnet using Alchemy — use the eth_getBalance RPC call."},{"title":"Fetch smart contract data on Avalanche","prompt":"Call the read function totalSupply on the AVAX smart contract at 0xDEF456... on Avalanche C-Chain mainnet — use eth_call to get the result."},{"title":"Get recent Avalanche transaction receipt","prompt":"Retrieve the transaction receipt for tx hash 0x789abc... on Avalanche mainnet via Alchemy — I need the status and gas used."}],"resultDescription":"The raw upstream response body from Alchemy's Avalanche mainnet API is passed through verbatim along with its content type, after the $0.01 USDC x402 micropayment is processed. This may be a JSON-RPC result, enhanced API payload, or error object depending on the upstream path called.","failureModes":["Payment failure: insufficient USDC balance or x402 payment not accepted returns a 402 error","Invalid path: if the upstream path is malformed or unsupported by Alchemy, the upstream error is proxied back","Network error: Alchemy upstream downtime results in a gateway timeout or 5xx error","Invalid method or body: malformed JSON-RPC body forwarded to Alchemy returns an RPC error response","Rate limiting: Alchemy upstream rate limits may result in 429 errors being proxied through"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to Alchemy's Avalanche C-Chain mainnet APIs without a subscription or API key, using x402 USDC micropayments. Ideal for agents that make occasional blockchain queries and want to avoid API key management overhead. Prefer over direct Alchemy access when operating in a web3-native, wallet-based payment context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:36:22.195Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-avalanche-mainnet-b1e9cb47"}