{"uid":"cap_fsAuZlQ5ND387FodES18U","slug":"quicknode-18a29e2f","name":"QuickNode JSON-RPC Proxy — Sophon Testnet","description":"JSON-RPC proxy — sophon-testnet","url":"https://x402.quicknode.com/sophon-testnet/","method":"POST","headers":{},"bodySchema":{"type":"object","required":["jsonrpc","method"],"properties":{"id":{"type":["number","string"],"description":"Request identifier"},"method":{"type":"string","description":"JSON-RPC method name (e.g., eth_blockNumber, eth_call)"},"params":{"type":"array","description":"Method parameters"},"jsonrpc":{"type":"string","const":"2.0"}}},"responseSchema":{"type":"object","properties":{"id":{"type":["number","string"]},"error":{"type":"object","properties":{"code":{"type":"integer"},"message":{"type":"string"}}},"result":{"description":"RPC result (type varies by method)"},"jsonrpc":{"type":"string","const":"2.0"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0001","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":"$10/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4fOf-kNxq1o3H1em6QQTV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"10","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies JSON-RPC calls to the Sophon testnet blockchain node via QuickNode's infrastructure","exampleAgentPrompt":"Call eth_blockNumber on the Sophon testnet to get the current block height, and then use eth_getBlockByNumber to fetch the full details of that block including all transactions.","exampleUseCases":null,"resultDescription":"A standard JSON-RPC 2.0 response object containing the result field with blockchain data (block info, transaction data, contract return values, balances, etc.) or an error object if the call fails. The response mirrors the Sophon testnet node's native output.","failureModes":["Invalid JSON-RPC method name returns error code -32601 method not found","Malformed params array causes -32602 invalid params error","Payment of $10 USDC not provided results in 402 Payment Required","Sophon testnet node unavailable returns 503 or upstream error","Invalid transaction hash or address returns null result","Rate limiting or quota exceeded returns 429 Too Many Requests"],"whenToPreferThis":"Use this endpoint when you need to interact specifically with the Sophon testnet blockchain — for testing smart contracts, querying testnet state, or developing against Sophon before mainnet deployment. Prefer this over generic RPC providers when you need QuickNode's reliable infrastructure with x402 pay-per-call pricing and no subscription setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:38:20.008Z","isFirstParty":false}