{"uid":"cap_4lnb4O0L9MIXWx2c746gr","slug":"quicknode-32700e03","name":"QuickNode JSON-RPC Proxy — Arbitrum Mainnet","description":"JSON-RPC proxy — arbitrum-mainnet","url":"https://x402.quicknode.com/arbitrum-mainnet/","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_lxFSaSYLhEAoGo-VnNLHA","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 Arbitrum One mainnet blockchain, enabling smart contract interactions, balance lookups, transaction submission, and block data retrieval.","exampleAgentPrompt":"Call eth_getBalance on Arbitrum mainnet for address 0xAbC123...def456 using JSON-RPC 2.0 and tell me the current ETH balance.","exampleUseCases":null,"resultDescription":"A standard JSON-RPC 2.0 response object containing the result field with the requested blockchain data (e.g. balance in wei, block object, transaction receipt, contract return data) 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","Payment of $10 USDC not provided results in 402 Payment Required response","Network congestion or node unavailability returns 503 or timeout","Invalid contract ABI encoding in eth_call params returns execution revert error","Requesting a pruned historical block beyond node retention returns null or error"],"whenToPreferThis":"Choose this endpoint when you need programmatic, pay-per-call access to the Arbitrum One mainnet via standard JSON-RPC without managing your own node infrastructure or API key subscriptions. Ideal for agents that need on-demand blockchain queries billed per call via x402 micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:35:03.026Z","isFirstParty":false}