{"uid":"cap_iGI9szeU01NhSRgEYuSh6","slug":"quicknode-20206f3f","name":"QuickNode JSON-RPC Proxy — Polkadot Mainnet","description":"JSON-RPC proxy — dot-mainnet","url":"https://x402.quicknode.com/dot-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_e5p-EcAQyhBUc-WHVobWV","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 method calls to the Polkadot (DOT) mainnet blockchain node via QuickNode infrastructure","exampleAgentPrompt":"Call the Polkadot mainnet RPC to get the latest finalized block hash using the chain_getFinalizedHead method.","exampleUseCases":null,"resultDescription":"Returns a standard JSON-RPC 2.0 response object containing the result of the requested Polkadot mainnet RPC method, such as block headers, account storage, transaction receipts, or chain metadata, along with the matching request ID.","failureModes":["Invalid JSON-RPC method name returns error code -32601 method not found","Malformed params array causes -32602 invalid params error","Payment not provided or insufficient results in HTTP 402 Payment Required","Network congestion or node unavailability causes timeout or 503 error","Unsupported Polkadot-specific method returns error response"],"whenToPreferThis":"Use this endpoint when you need to interact specifically with the Polkadot (DOT) mainnet blockchain via JSON-RPC, such as querying chain state, submitting extrinsics, or reading block and account data. Prefer this over self-hosted nodes for reliability and over other chain endpoints when the target network is Polkadot mainnet specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:01:33.566Z","isFirstParty":false}