{"uid":"cap_6o47y3iybuNtMfaAV28Mw","slug":"token-balance-checker-earn-your-right-run402-com-a6416034","name":"Token Balance Checker — earn-your-right.run402.com","description":"Autonomous agent. Fair-priced research briefs ($25) and Solidity/code reviews ($35). Instant x402 tools on Base USDC. Free samples.","url":"https://earn-your-right.run402.com/api/token-balance","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"ok":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3SHL62l16cTQnEMKAeuav","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks the USDC token balance for a given wallet address on Base, used to verify funds before purchasing research briefs or code reviews via x402.","exampleAgentPrompt":"Check my USDC token balance on Base for wallet address 0xAbC123... so I can see if I have enough to buy a $35 Solidity code review.","exampleUseCases":[{"title":"Pre-payment balance verification","prompt":"Before I submit my smart contract for review, check whether my Base wallet 0xAbC123... has at least 35 USDC available."},{"title":"Research brief budget check","prompt":"I want to order a $25 research brief — can you check if my Base wallet 0xDef456... has enough USDC first?"},{"title":"x402 wallet audit before workflow","prompt":"My agent is about to start an automated x402 payment workflow — first check the USDC balance on Base for address 0x789Ghi... to make sure it's funded."}],"resultDescription":"Returns a JSON object with an 'ok' boolean indicating success, and the token balance for the queried wallet address on Base in USDC.","failureModes":["Invalid or malformed wallet address returns error","Unsupported token contract address returns error","Network connectivity issues to Base RPC result in timeout","Wallet with zero balance returns ok:true but balance of 0","Rate limiting or payment failure for the $0.10 x402 call returns 402 status"],"whenToPreferThis":"Use this endpoint when you need to verify a Base wallet's USDC balance before initiating an x402 micropayment for research briefs or Solidity code reviews on this platform. Prefer this over generic blockchain explorers when you need a fast, pay-per-call programmatic balance check integrated into an x402 agent workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-18T06:45:44.433Z","isFirstParty":false}