{"uid":"cap_oT3wh4okrDKF0qEoptCzf","slug":"money-reactor-erc-20-token-balance-lookup-5d126fe8","name":"Money Reactor ERC-20 Token Balance Lookup","description":"Agent-native micro APIs: hourly-refreshed feed of funded crypto bounty opportunities, GitHub repository honeypot trust scoring, live crypto spot prices and web page reading. Payment via x402 protocol (HTTP 402), USDC on Base (eip155:8453). x402 v1 and v2 compatible; instant settle via Coinbase CDP facilitator. No accounts, no API keys.","url":"https://money-reactor.makar52nn2016.workers.dev/api/erc20-balance?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","properties":{"address":{"type":"string","example":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","description":"Wallet address 0x... (alias: wallet)"},"contract":{"type":"string","example":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Token contract address 0x... (alias: token)"}}}}},"output":{"type":"object","properties":{"example":{"symbol":"USDC","address":"0xd8da6bf26964af9d7eed9e03e53415d37aa96045","balance":42.5,"network":"base","contract":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","decimals":6,"balanceRaw":"42500000"}}}}},"responseSchema":{"type":"json","example":{"symbol":"USDC","address":"0xd8da6bf26964af9d7eed9e03e53415d37aa96045","balance":42.5,"network":"base","contract":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","decimals":6,"balanceRaw":"42500000"}},"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_xodTol7xmKp1yzvJRflBK","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 the ERC-20 token balance for a given wallet address on Base network, including symbol, decimals, and raw balance","exampleAgentPrompt":"What's the USDC balance for wallet address 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 on Base right now?","exampleUseCases":[{"title":"Verify wallet funds before payment","prompt":"Check how much USDC is in 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 on Base — I need to confirm there's enough before sending a transaction."},{"title":"Monitor DeFi portfolio token holdings","prompt":"Pull the current USDC balance for my wallet 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 on Base using the USDC contract 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 so I can track my holdings."},{"title":"Validate agent treasury balance","prompt":"What is the exact ERC-20 token balance, including raw units and decimals, held by address 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 on the Base network?"}],"resultDescription":"Returns a JSON object containing the token symbol, wallet address queried, human-readable balance (e.g. 42.5), raw balance in smallest units (e.g. 42500000), number of decimals, the ERC-20 contract address, and the network name (e.g. 'base').","failureModes":["Invalid or malformed wallet address returns an error response","Unsupported network or contract address yields no result","Wallet with zero balance returns balance: 0 rather than an error","Payment via x402 protocol fails if USDC funds are insufficient","Rate limits or worker downtime may cause transient 5xx errors"],"whenToPreferThis":"Prefer this endpoint when you need a fast, account-free, key-free ERC-20 balance lookup on Base network, paying only $0.001 USDC per call via the x402 micropayment protocol. Ideal for AI agents that need on-chain token balance data without API key provisioning overhead. Best for Base network queries; may not support other chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:30:06.638Z","isFirstParty":false,"canonicalSlug":"money-reactor-erc-20-token-balance-lookup-5d126fe8"}