{"uid":"cap_CN2UHYk1PJBd1OWdAFZEi","slug":"quicknode-29378d81","name":"QuickNode JSON-RPC Proxy — ARC Testnet","description":"JSON-RPC proxy — arc-testnet","url":"https://x402.quicknode.com/arc-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":"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_F5M0m6vKbM1dozWm-6tWC","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 ARC testnet blockchain, enabling agents to query chain state, submit transactions, and interact with smart contracts on ARC testnet.","exampleAgentPrompt":"Can you call eth_blockNumber on the ARC testnet using QuickNode's RPC proxy and tell me the latest block height?","exampleUseCases":null,"resultDescription":"Returns a standard JSON-RPC 2.0 response object containing the result field with the requested blockchain data (e.g. block number, transaction receipt, contract 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 causes -32602 (invalid params) error","Network or node unavailability returns 503 or timeout","Payment failure (insufficient USDC or x402 protocol error) blocks the request","Calling mainnet-only methods on testnet may return unsupported errors"],"whenToPreferThis":"Choose this endpoint when you need to interact specifically with the ARC testnet blockchain via standard JSON-RPC. Prefer this over other QuickNode endpoints when your dApp, test suite, or agent workflow targets ARC testnet specifically. Use for development and testing workflows that require ARC testnet access without managing your own node infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:56:23.659Z","isFirstParty":false}