{"uid":"cap_rEeomcHv09u_FLaQKlzmt","slug":"solana-durable-nonce-account-lookup-743a3136","name":"Solana Durable Nonce Account Lookup","description":"Decoded Solana durable nonce account: the stored nonce (use it as recentBlockhash for offline or delayed signing), nonce authority, fee per signature and balance, via getAccountInfo jsonParsed. Not a nonce account -> 404, not charged.","url":"https://mintintel.35-171-220-195.sslip.io/v1/sol/nonce/:addr?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":["addr"],"properties":{"addr":{"type":"string","description":"base58 Solana 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","durableNonce","authority"],"properties":{"address":{"type":"string"},"authority":{"type":"string"},"durableNonce":{"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_y7puyooabQ8wddJKt1xOh","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 decoded durable nonce account data for a Solana address, including the stored nonce value, nonce authority, fee per signature, and account balance.","exampleAgentPrompt":"Can you look up the durable nonce account details for this Solana address 3Nxwenxyz1234abcSolanaAddr — I need the stored nonce value to use as a recentBlockhash for an offline transaction I'm preparing.","exampleUseCases":[{"title":"Offline transaction signing preparation","prompt":"I need to sign a Solana transaction offline — can you fetch the durable nonce and authority for address 7YttLkHDoNj9wyDur5pM1ojFSEXz6Y8fRB3C8aSqHPsN so I can use it as the recentBlockhash?"},{"title":"Nonce authority verification","prompt":"Who is the nonce authority controlling the durable nonce account at Solana address F3Mdf8K2aLrtSqVG9F8hJm1EkBxnZMeVkBmC2AbcXYZ? I want to confirm it before I sign anything."},{"title":"Durable nonce account balance check","prompt":"What's the balance and fee per signature on the Solana durable nonce account at address 9xQeWvG1ie7dNSk3HnMxya9NmXKGnx5Qa2hR6PZbcDE? I want to make sure it's funded before using it."}],"resultDescription":"Returns the decoded durable nonce account fields: the nonce account address, the stored nonce string (usable as recentBlockhash for offline or delayed signing), the nonce authority public key, the fee per signature in lamports, and the account balance. Returns 404 if the address is not a nonce account, with no charge.","failureModes":["404 returned if the address exists but is not a durable nonce account — no charge incurred","Invalid or malformed base58 address returns an error","Account not found on-chain returns an appropriate error","Network or RPC timeout may cause transient failures"],"whenToPreferThis":"Use this endpoint when you need to prepare offline or delayed Solana transactions that require a durable nonce as a substitute for recentBlockhash, or when you need to inspect nonce account authority and fee details. Prefer this over general-purpose RPC calls when you want a decoded, structured response without parsing raw account data yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:34.734Z","isFirstParty":false,"canonicalSlug":"solana-durable-nonce-account-lookup-743a3136"}