{"uid":"cap_gZwzCWb_jKYnUPgGVh8Hw","slug":"delx-base-nonce-b423ec52","name":"Delx Base Nonce","description":"Transaction count/nonce for one Base address for $0.001 USDC via eth_getTransactionCount. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.","url":"https://api.delx.ai/api/v1/x402/base-nonce","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string"}}},"responseSchema":{"type":"json","example":{"result":{},"tool_name":"get_base_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_6y74f11jYCuq3yM0nYHe_","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 transaction count (nonce) for a given Base network address via eth_getTransactionCount for $0.001 USDC.","exampleAgentPrompt":"What's the current transaction count (nonce) for the Base address 0x742d35Cc6634C0532925a3b8D4C9B8f3e1234567?","exampleUseCases":[{"title":"Pre-flight nonce check before signing","prompt":"Before I broadcast this transaction on Base, look up the current nonce for my wallet 0x742d35Cc6634C0532925a3b8D4C9B8f3e1234567 so I can set the correct sequence number."},{"title":"Detect stuck pending transaction","prompt":"Can you check the on-chain transaction count for Base address 0xAbCd1234567890EfAbCd1234567890EfAbCd1234 and compare it to what my wallet shows? I think I have a stuck pending transaction."},{"title":"Verify account activity on Base","prompt":"How many transactions has the Base wallet 0x1111222233334444555566667777888899990000 ever sent? I want to know if it's ever been used on-chain."}],"resultDescription":"Returns the nonce (transaction count) for the queried Base address — an integer representing how many transactions the account has sent, usable directly as the nonce field when constructing a new transaction.","failureModes":["Invalid or malformed Ethereum address returns an error response","Address with no transaction history returns 0 (valid but may confuse callers expecting activity)","Network or RPC unavailability causes a 5xx or timeout","Payment failure (insufficient USDC balance or x402 protocol error) blocks the request"],"whenToPreferThis":"Choose this endpoint when an agent needs a quick, pay-per-call nonce lookup on the Base network without managing an RPC node or API key. Ideal for transaction construction pipelines, fraud checks, or account activity probes where calling a public RPC directly is inconvenient or requires infrastructure setup. The $0.001 USDC x402 pricing makes it cost-effective for low-volume or on-demand lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:07:09.101Z","isFirstParty":false}