{"uid":"cap_RccV1i_axh3H3B5WzyT4C","slug":"nodeflare-cronos-rpc-chain-25-5876cc86","name":"NodeFlare Cronos RPC (Chain 25)","description":"Cronos RPC (chain 25): 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/cronos/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_WrJ5fqXwvjWILLo9fVb8Y","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 full JSON-RPC access to the Cronos EVM blockchain (chain 25) via HTTPS, including archive/debug/trace methods, with per-request USDC payment and no API key required.","exampleAgentPrompt":"Send an eth_getLogs request to the Cronos mainnet (chain 25) to fetch all Transfer events from contract 0xc21223249CA28397B4B6541dfFaEcC539BfF0c59 between blocks 10000000 and 10001000.","exampleUseCases":[{"title":"DeFi event indexing on Cronos","prompt":"Pull all Swap events from the VVS Finance router contract on Cronos between blocks 12000000 and 12005000 — I need the full log data including topics and transaction hashes."},{"title":"Smart contract state simulation","prompt":"Run an eth_call on the Cronos chain to simulate calling the balanceOf function on the CRO token contract for my wallet address, without actually sending a transaction."},{"title":"Transaction trace for debugging","prompt":"I need a full debug_traceTransaction for tx hash 0xabc123... on Cronos mainnet — show me the internal calls and exactly where execution reverted."}],"resultDescription":"Standard Ethereum JSON-RPC response object for the requested method: could include block objects, transaction receipts, contract return values, event log arrays, trace/debug output, or gas estimates — depending on the method called. Responses follow the standard eth_* JSON-RPC envelope with id, jsonrpc, and result fields.","failureModes":["Invalid JSON-RPC method returns error code -32601","Malformed params return -32602 invalid params error","Block not found for out-of-range block numbers","Insufficient USDC payment results in 402 payment required","Rate limiting or node unavailability returns 503","eth_getLogs with too broad a filter may time out or return too many results"],"whenToPreferThis":"Choose this endpoint when you need direct JSON-RPC access to the Cronos blockchain (chain ID 25) without setting up an account or API key, and you want pay-per-request USDC billing suitable for AI agent workflows. Especially valuable for archive/debug/trace methods not always available on free RPC tiers. Prefer over managed RPC services when you need no-signup access or are operating in an agentic payment context via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:40:09.609Z","isFirstParty":false}