{"uid":"cap_cbxP0Fn42wwwkfuTAYNyI","slug":"quicknode-70781880","name":"QuickNode JSON-RPC Proxy — zkSync Sepolia","description":"JSON-RPC proxy — zksync-sepolia","url":"https://x402.quicknode.com/zksync-sepolia/","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":"10","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_55Q6heV6PcvVbJ6H71fyB","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 zkSync Sepolia testnet via QuickNode's infrastructure","exampleAgentPrompt":"Call eth_getBalance on zkSync Sepolia testnet for address 0xAbCd...1234 using QuickNode's RPC endpoint — I want to check how much ETH is in that wallet.","exampleUseCases":null,"resultDescription":"Returns a standard JSON-RPC 2.0 response object containing the result of the requested method (e.g. block data, balance in hex wei, transaction receipt, call return value) or an error object with code and message if the call fails.","failureModes":["Invalid JSON-RPC method name returns error code -32601 (method not found)","Malformed params array returns error code -32602 (invalid params)","Network or node unavailability returns HTTP 503 or JSON-RPC error","Insufficient payment (x402 payment not attached) returns HTTP 402","Rate limiting or quota exceeded returns HTTP 429","Contract revert returns execution reverted error in result"],"whenToPreferThis":"Use this endpoint when you need to interact with the zkSync Sepolia testnet specifically — for testing zkSync Era Layer 2 smart contracts, checking testnet balances, or validating transactions before mainnet deployment. Prefer this over generic Ethereum RPC endpoints when the target chain is zkSync Sepolia (chain ID 300).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:55:23.242Z","isFirstParty":false}