{"uid":"cap_9Wp3bfOf-vD_OWvf0p1q3","slug":"agent402-solana-address-validator-a9467e82","name":"Agent402 Solana Address Validator","description":"Don't burn tokens on deterministic work. Go/no-go jobs first: payout preflight, text firewall (PII/secrets), budget check — then rails, calendars, finmath. x402 USDC on Base. UK + global. agent402.co.uk — not agent402.tools. $0.001–$0.002 USDC on Base. No API keys.","url":"https://agent402.co.uk/v1/validate/sol-address","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string","description":"Solana address"}}},"responseSchema":{"type":"json","example":{"chain":"sol","valid":true,"byte_length":32}},"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_j4xgINB0y23uHG8uWK6Qo","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":"Validates whether a string is a well-formed Solana address by checking base58 decoding and 32-byte length — does not verify on-chain account existence.","exampleAgentPrompt":"Before I send funds, can you check whether '7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU' is a properly formatted Solana address?","exampleUseCases":[{"title":"Pre-transfer address sanity check","prompt":"I'm about to send SOL to 'GsbwXfJraMomNxBcjYLcG3mxkBUiyWfA9d3it6Lchanges' — can you confirm that address is valid Solana format before we proceed?"},{"title":"DeFi agent input sanitization","prompt":"Before routing this swap on Solana, verify that the recipient address '5Q544fKrFoe6tsEbD7S8EmxGTJYAKtTVhAW5Q5pge4j1' is a legitimate 32-byte base58 public key."},{"title":"Wallet address validation in onboarding flow","prompt":"A user just typed in their Solana wallet address as 'not-a-real-address' during onboarding — can you tell me if that's a valid Sol address format?"}],"resultDescription":"Returns a JSON object with 'chain' (set to 'sol'), 'valid' (boolean indicating whether the address passes base58 decoding and 32-byte length check), and 'byte_length' (32 if valid). Does not confirm the account exists on-chain.","failureModes":["Address string fails base58 decoding — returns valid: false","Address decodes to wrong byte length (not 32 bytes) — returns valid: false","Missing 'address' field in request body — likely 400 error","Ethereum or other chain addresses passed as input will return valid: false"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap ($0.001) structural check that a Solana address is correctly formatted before using it in a transaction, API call, or display — especially when on-chain RPC calls would be too slow, expensive, or unnecessary. Prefer this over RPC account lookups when you only need format validation, not balance or existence confirmation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:47:37.178Z","isFirstParty":false}