{"uid":"cap_cXpZZmIfSieeF8AG2x0UO","slug":"logicnodes-evm-nonce-lookup-88609b58","name":"LogicNodes EVM Nonce Lookup","description":"Exact answers for AI agents: 40+ tools for EVM chains and Aptos, gas on 14 chains, never a guess. Free tier; pay per call in USDC (x402) on 13 networks.","url":"https://logicnodes.io/paid/v1/tools/evm_nonce?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"block":{"type":"string","description":"\"latest\" (default), \"safe\", \"finalized\", or a decimal block number. Every value in the answer is read at this one block"},"chain":{"type":"string","description":"EVM CAIP-2 chain id such as eip155:8453, or a bare chain id number as a string. Chain names are refused."},"address":{"type":"string","description":"0x + 40 hex digits (EIP-55 checksum enforced when mixed-case)"}}},"responseSchema":{"type":"json","example":{"ok":true,"tool":"evm_nonce"}},"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_6jvvtSavmxiSG3dC_YJ_t","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":"Returns the current transaction nonce for an EVM address at a specified block on any supported EVM chain","exampleAgentPrompt":"What is the current nonce for wallet address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base (eip155:8453) at the latest finalized block?","exampleUseCases":[{"title":"Pre-transaction nonce check for DeFi bot","prompt":"Before I submit my next transaction on Arbitrum (eip155:42161), fetch the current nonce for my wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 at the latest block so I can set it correctly."},{"title":"Historical nonce audit at specific block","prompt":"What was the nonce for address 0xAbCd1234567890AbCd1234567890AbCd12345678 on Ethereum mainnet (eip155:1) at block 19000000?"},{"title":"Cross-chain account activity comparison","prompt":"Check the nonce for 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on both Polygon (eip155:137) and Optimism (eip155:10) at the safe block — I want to see which chain this wallet has been more active on."}],"resultDescription":"A JSON object with ok: true, the tool name 'evm_nonce', and the numeric nonce (transaction count) for the specified address at the requested block on the given EVM chain.","failureModes":["Invalid or non-checksummed mixed-case address returns an error","Chain specified by name instead of CAIP-2 or numeric ID is refused","Unsupported chain ID returns an error","Invalid block tag or out-of-range block number returns an error","Payment failure (insufficient USDC) blocks the call"],"whenToPreferThis":"Use this endpoint when you need an authoritative, exact nonce for an EVM address before constructing or sequencing transactions, especially when chain-specific CAIP-2 precision and block-level accuracy matter. Prefer it over generic RPC calls when you need a reliable managed service with deterministic pricing per call and multi-chain support from a single API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T12:30:53.618Z","isFirstParty":false,"canonicalSlug":"logicnodes-evm-nonce-lookup-88609b58"}