{"uid":"cap_u5kRZ2_ZvNcTRug-od0Pq","slug":"chain-address-nonce-a1cb42e1","name":"chain-address-nonce","description":"Transaction count (nonce) of an address. Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call.","url":"https://chain.intel.rallylive.ca/chain/nonce?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NyICyrJZfmopd37d5b3gz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the transaction count (nonce) of a blockchain address across multiple EVM-compatible chains including Base, Ethereum, Arbitrum, Optimism, Polygon, and BSC.","exampleAgentPrompt":"What's the current transaction count (nonce) for wallet address 0xAbC123... on Ethereum so I know what nonce to use for my next transaction?","exampleUseCases":[{"title":"Pre-transaction nonce check","prompt":"Before I send a transaction from 0xAbC123... on Arbitrum, what's the current nonce for that address so I don't get a nonce conflict?"},{"title":"Multi-chain activity audit","prompt":"Has wallet 0xDeF456... ever sent any transactions on Polygon? Check its transaction count for me."},{"title":"Replay attack detection","prompt":"What's the nonce for 0x789Ghi... on Optimism? I want to make sure the transaction count matches what I expect before I proceed."}],"resultDescription":"Returns the current transaction count (nonce) integer for the queried address on the specified EVM chain. The nonce represents the total number of transactions sent from the address, useful for constructing new transactions or auditing activity.","failureModes":["Invalid or malformed address returns an error","Unsupported chain prefix returns an error","Network connectivity issues to the target chain RPC may cause timeouts","Payment failure ($0.01 USDC) results in HTTP 402 and no data returned","Address with zero transactions returns nonce of 0, which may be misinterpreted as an error"],"whenToPreferThis":"Choose this endpoint when you need a fast, low-cost nonce lookup across multiple EVM-compatible chains from a single API. Especially useful when building transaction construction pipelines, auditing wallet activity levels, or detecting replay vulnerabilities. The multi-chain prefix support (ethereum:, arbitrum:, optimism:, polygon:, bsc:) makes it convenient compared to managing separate RPC connections per chain. Default chain is Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:41:32.677Z","isFirstParty":false,"canonicalSlug":"chain-address-nonce-a1cb42e1"}