{"uid":"cap_EZ5u3M-wQA5EcL9mEt8lU","slug":"quantaflow-x402-api-gateway-alchemy-sonic-mainnet-6744421a","name":"QuantaFlow x402 API Gateway – Alchemy Sonic 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-sonic-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_yA1cROGm1dGVgj9aF8yAV","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 Sonic mainnet RPC/API endpoint via the x402 micropayment protocol, charging $0.01 USDC per call","exampleAgentPrompt":"Query the Sonic mainnet via the QuantaFlow gateway — call the Alchemy Sonic mainnet endpoint at path '/v2/eth_blockNumber' using GET to get the latest block number, paying the per-request fee automatically.","exampleUseCases":[{"title":"Fetch latest Sonic mainnet block","prompt":"Get the latest block number on Sonic mainnet through the QuantaFlow Alchemy gateway — use path '/v2/eth_blockNumber' and handle the $0.01 USDC per-call fee automatically."},{"title":"Read smart contract state on Sonic","prompt":"Call 'eth_call' on the Alchemy Sonic mainnet via QuantaFlow to read the balance of a specific ERC-20 contract at address 0xABC...123 — forward the JSON body with the call data and pay per request."},{"title":"Check Sonic mainnet transaction receipt","prompt":"Look up the transaction receipt for tx hash 0xDEF...789 on Sonic mainnet using the QuantaFlow Alchemy gateway — path 'eth_getTransactionReceipt', pay $0.01 USDC per call."}],"resultDescription":"The raw upstream response body from the Alchemy Sonic mainnet API, passed through transparently along with its content type, after the $0.01 USDC x402 micropayment is confirmed.","failureModes":["Payment not provided or insufficient USDC balance returns 402 Payment Required","Invalid or malformed path results in upstream 404 or error passthrough","Alchemy Sonic mainnet node downtime causes upstream 5xx errors passed through","Invalid JSON body causes upstream parse error","Unsupported HTTP method may be rejected upstream"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to Alchemy's Sonic mainnet RPC without managing an Alchemy API subscription or key — ideal for low-volume or agent-driven on-demand blockchain queries where micropayment via x402 is acceptable and no long-term API plan is warranted.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T00:49:09.343Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-sonic-mainnet-6744421a"}