{"uid":"cap_NV9M1wElVmAvDQeeHWmtx","slug":"mint-intel-base-chain-nonce-lookup-e93d1caf","name":"Mint Intel: Base Chain Nonce Lookup","description":"Next transaction nonce for any Base wallet via eth_getTransactionCount (latest + pending) - how many transactions it has sent and how many are still pending.","url":"https://mintintel.35-171-220-195.sslip.io/v1/base/nonce/:address?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"},"pathParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"0x-prefixed 20-byte EVM address"}},"additionalProperties":false},"queryParams":{"type":"object","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["address","nonce"],"properties":{"nonce":{"type":"integer"},"address":{"type":"string"}}}}}}},"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_M56k4bLk9001UEV3M4gcu","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 next transaction nonce (and pending transaction count) for any Base wallet address using eth_getTransactionCount.","exampleAgentPrompt":"What's the current nonce for the Base wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — I need to know how many transactions it's sent and whether there are any pending ones.","exampleUseCases":[{"title":"Pre-flight check before sending Base tx","prompt":"Before I submit my next transaction on Base, can you look up the current nonce for 0xAbCd1234567890AbCd1234567890AbCd12345678 so I know the right sequence number to use?"},{"title":"Detect stuck pending transactions","prompt":"Check if 0x742d35Cc6634C0532925a3b844Bc454e4438f44e has any stuck pending transactions on Base — I want to see if the nonce shows anything still waiting to be mined."},{"title":"Audit wallet activity count on Base","prompt":"How many total transactions has 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 ever sent on the Base chain? I want to audit its on-chain activity level."}],"resultDescription":"Returns a JSON object containing the queried wallet address and its nonce (integer), representing the total confirmed transaction count (latest) plus any pending transactions from eth_getTransactionCount, indicating what sequence number to use for the next transaction.","failureModes":["Invalid or malformed address (not 0x-prefixed or wrong length) returns an error","Address with no transaction history returns nonce of 0","Network or RPC node unavailability causes a 5xx error","Rate limiting may occur under high request volume","Non-Base EVM addresses (e.g., Ethereum mainnet) may return incorrect nonce if account activity differs across chains"],"whenToPreferThis":"Use this endpoint when you need the current transaction nonce specifically for a Base (Coinbase L2) wallet address — for example, before constructing or signing a transaction, detecting stuck/pending transactions, or auditing how many transactions an account has sent. Prefer this over Ethereum mainnet nonce endpoints when operating on Base; prefer it over full block explorers when you only need the nonce and not full transaction history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:54.793Z","isFirstParty":false,"canonicalSlug":"mint-intel-base-chain-nonce-lookup-e93d1caf"}