{"uid":"cap_iBeggtcdTDYSw7qJP3ZBd","slug":"quicknode-7ee82777","name":"QuickNode JSON-RPC Proxy — Starknet Sepolia Testnet","description":"JSON-RPC proxy — strk-sepolia","url":"https://x402.quicknode.com/strk-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":"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_P0n-l5Eba69mskWg8LHeK","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 requests to a QuickNode Starknet Sepolia testnet node, enabling blockchain reads and writes on the strk-sepolia network","exampleAgentPrompt":"Can you call starknet_getBlockWithTxHashes with block tag 'latest' on the Starknet Sepolia testnet using QuickNode?","exampleUseCases":null,"resultDescription":"A standard JSON-RPC 2.0 response object containing the result of the requested Starknet Sepolia RPC method call — such as block data, transaction receipts, contract call output, account nonce, or balance — along with the matching request id and any error details if the call failed.","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 timeout","Payment failure returns HTTP 402 payment required","Unsupported method for Starknet returns RPC error","Invalid transaction data returns execution error from the node"],"whenToPreferThis":"Use this endpoint when you need to interact with the Starknet Sepolia testnet specifically — for testing Starknet smart contracts, querying testnet state, or broadcasting testnet transactions — and you want a reliable, pay-per-call QuickNode-backed RPC node without managing infrastructure. Prefer this over mainnet endpoints when testing or developing Starknet applications.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:42:53.464Z","isFirstParty":false}