{"uid":"cap_jbaWiAY8oLvBatQaEhPb_","slug":"apexapi-crypto-address-balance-lookup-25f9112a","name":"ApexAPI 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://apex-api-gamma.vercel.app/api/crypto/address/balance?utm_source=zero.xyz","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_xLlDutjgGt2NJafC_ociW","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":"Retrieves the cryptocurrency balance for a given blockchain wallet address","exampleAgentPrompt":"Can you check the current balance of the crypto wallet address 0x4e83362442B8d1beC281931493801e1DD952234 for me?","exampleUseCases":null,"resultDescription":"Returns the balance held at the specified blockchain address, likely including token amounts and possibly multi-token breakdowns for that wallet.","failureModes":["Invalid or malformed wallet address returns an error response","Address has no on-chain history and returns zero or empty balance","Unsupported blockchain network for the given address format","Network or RPC timeout causing delayed or failed response","Payment failure (insufficient USDC) resulting in 402 status before query executes"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call balance lookup for a specific crypto wallet address without setting up API keys. Ideal for agents that need on-demand balance checks without a long-term subscription commitment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:37:45.212Z","isFirstParty":false,"canonicalSlug":"apexapi-crypto-address-balance-lookup-25f9112a"}