{"uid":"cap_hhPe0dSieSOBSXTHUI9aH","slug":"primeapi-crypto-address-balance-lookup-7dc42b9e","name":"PrimeAPI Crypto Address Balance Lookup","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://prime-api-seven.vercel.app/api/crypto/address/balance","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.130773","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":"$0.130773/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.130773","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.130773","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5Iiw8-rgONuz3ajLJZreh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.130773","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the cryptocurrency balance for a given blockchain wallet address","exampleAgentPrompt":"What's the current crypto balance for wallet address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e? I need to know how much is in it.","exampleUseCases":[{"title":"Verify user wallet balance before transaction","prompt":"Can you check how much USDC this address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e actually has right now? I want to make sure they have enough funds before we proceed with the payment."},{"title":"Monitor cryptocurrency holdings across portfolios","prompt":"I need to see what tokens are currently sitting in wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e. Just give me a breakdown of everything that's in there."},{"title":"Audit fund availability for customer support","prompt":"One of our customers claims their wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e is empty and they can't withdraw. Can you pull their actual on-chain balance so I can see what's really there?"}],"resultDescription":"Returns the current on-chain balance of the specified cryptocurrency wallet address, including token amounts and possibly asset breakdowns.","failureModes":["Invalid or malformed wallet address returns an error","Address with no transaction history may return zero balance","Network errors or blockchain node timeouts may cause failures","Unsupported blockchain network may return an error","Rate limiting or payment failure (x402) if USDC payment not processed"],"whenToPreferThis":"Use this endpoint when you need to look up the on-chain balance of a specific crypto wallet address without managing your own API keys. Ideal for agents that need quick, pay-per-call access to blockchain balance data via USDC micropayment on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:44:05.428Z","isFirstParty":false}