{"uid":"cap_hUXNR_3lX3fYe23juZDgI","slug":"evm-nonce-lookup-polygon-saylor-innovations-0e4d3b45","name":"EVM Nonce Lookup (Polygon) — Saylor Innovations","description":"EVM Nonce (polygon). Polygon PoS account nonce for any address: confirmed nonce and pending nonce (a gap means transactions are still waiting in the mempool). Use it before sending a transaction or to detect a pending one.","url":"https://saylorinnovations.com/api/evm/polygon/nonce/:address?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_PO-lwbw3Ct0IjViRfxoRg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current transaction count (nonce) for an Ethereum-compatible address on the Polygon network","exampleAgentPrompt":"What's the current nonce for the Polygon wallet address 0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db?","exampleUseCases":[{"title":"Pre-flight check before submitting transaction","prompt":"Before I broadcast this transaction, can you grab the current nonce for 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on Polygon so I know what nonce to set?"},{"title":"Detect stuck or pending transactions","prompt":"I think my wallet 0x1234567890abcdef1234567890abcdef12345678 has a stuck transaction on Polygon — can you check the on-chain nonce to compare it against my pending nonce?"},{"title":"Monitor wallet activity level","prompt":"How many transactions has the address 0xAbCdEf1234567890AbCdEf1234567890AbCdEf12 sent on Polygon so far? I want to know its on-chain transaction count."}],"resultDescription":"Returns the current nonce (transaction count) for the given EVM address on the Polygon network — an integer representing the total number of confirmed transactions sent from that address.","failureModes":["Invalid or malformed Ethereum address returns an error","Address with zero transactions returns nonce of 0 (not an error, but may be misinterpreted)","Network connectivity issues with Polygon RPC node may return an error or timeout","Non-checksummed addresses may or may not be accepted depending on implementation"],"whenToPreferThis":"Choose this endpoint when you need the current nonce for an EVM address specifically on the Polygon (MATIC) network. Use this over general RPC calls when you need a simple, cost-effective API wrapper without managing your own node. Prefer the Arbitrum sibling endpoint if the target chain is Arbitrum instead of Polygon.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:48:46.225Z","isFirstParty":false,"canonicalSlug":"evm-nonce-lookup-polygon-saylor-innovations-0e4d3b45"}