{"uid":"cap_Nl_ClmcDLIJOnBGavPbtm","slug":"nodeflare-robinhood-chain-rpc-chain-4663-049f73cd","name":"NodeFlare Robinhood Chain RPC (Chain 4663)","description":"Robinhood Chain RPC (chain 4663): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.","url":"https://rpc.nodeflare.app/robinhood/x402","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"id":{"type":["number","string"]},"method":{"type":"string"},"params":{"type":"array"},"jsonrpc":{"type":"string","const":"2.0"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jw6FjQmbrJHng1wDS5H_P","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides JSON-RPC over HTTPS access to Robinhood Chain (chain ID 4663) including archive, trace, and debug methods, with pay-per-request pricing in USDC via x402.","exampleAgentPrompt":"Call eth_getLogs on Robinhood Chain (chain 4663) to pull all Transfer events for the ERC-20 token at 0xAbCd...1234 from block 100000 to 200000.","exampleUseCases":[{"title":"Index token transfer events","prompt":"Fetch all Transfer event logs for the token contract 0xAbCd...1234 on Robinhood Chain between block 500000 and 600000 so I can build a transfer history."},{"title":"Simulate contract call before submitting","prompt":"Before I send this transaction, can you do an eth_call on Robinhood Chain to simulate calling the swap function on contract 0xDeFi...5678 with my parameters so I know it won't revert?"},{"title":"Debug a reverted transaction","prompt":"Can you use debug_traceTransaction on Robinhood Chain to find out exactly why transaction 0xTxHash...9999 reverted and which opcode failed?"}],"resultDescription":"A standard JSON-RPC 2.0 response object containing the result field (or error field) for the requested Ethereum-compatible method — e.g. hex-encoded values for eth_getBalance, log arrays for eth_getLogs, trace objects for trace_transaction, or simulated return data for eth_call.","failureModes":["Invalid JSON-RPC method name returns error code -32601","Malformed params array returns error code -32602","Requesting a pruned block on a non-archive method returns null or error","Insufficient USDC balance or x402 payment failure results in 402 Payment Required","Rate limit or node overload may return 429 or 503","Unsupported method on this chain returns -32004"],"whenToPreferThis":"Choose this endpoint when you need direct, low-level EVM JSON-RPC access to Robinhood Chain (chain 4663) — especially for archive queries, eth_getLogs event indexing, trace or debug methods, or smart contract simulation — and you want pay-per-request USDC billing with no API key or account setup required. Prefer it over generic RPC providers when you need x402-compatible agent-native payments or bare-metal node reliability for this specific chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:35:15.477Z","isFirstParty":false}