{"uid":"cap_1jqDkKguCXnQv3Pv2Wsii","slug":"money-reactor-erc-20-balance-lookup-base-network-38a6cb7b","name":"Money Reactor ERC-20 Balance Lookup (Base Network)","description":"22 agent-native micro APIs paid per call in USDC on Base via x402: funded bounty radar, honeypot trust scoring, token safety verdicts, crypto prices, multi-asset price snapshots, fear & greed index, full market-pulse snapshot, AI chat completion (Llama 3.1), crypto news, weather, web reader, ERC-20 balances. No accounts, no API keys — instant on-chain settlement.","url":"https://mr-river6.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_zdmt1WCAN77Bs3SyUocf0","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 and token contract on the Base network, paid per call in USDC via x402.","exampleAgentPrompt":"What's the USDC balance (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) of wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base?","exampleUseCases":[{"title":"DeFi bot pre-trade balance check","prompt":"Before executing the swap, check how much USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 currently holds on Base so we know if it has enough to cover the trade."},{"title":"Portfolio dashboard token holdings","prompt":"Pull the USDC balance on Base for my wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 using token contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 so I can update my portfolio tracker."},{"title":"Airdrop eligibility verification","prompt":"Check how many tokens from contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 holds on Base — I need to confirm it meets the minimum threshold for the airdrop."}],"resultDescription":"A JSON object containing the token symbol, the wallet address queried, the human-readable balance (e.g. 42.5), the raw balance string (e.g. '42500000'), the number of decimals, the network ('base'), and the token contract address.","failureModes":["Invalid wallet address format returns an error","Invalid or non-ERC-20 contract address returns an error or zero balance","Token not deployed on Base returns empty or zero balance","Payment not settled via x402 results in 402 Payment Required response","Network connectivity issues to Base RPC may cause timeouts"],"whenToPreferThis":"Choose this endpoint when you need a fast, no-account, no-API-key ERC-20 balance lookup on the Base network and are already operating in a micro-payment (x402/USDC) workflow. Ideal for AI agents that need on-chain balance data without setting up OAuth or managing API keys, and where cost per call ($0.001 USDC) is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:34:44.029Z","isFirstParty":false,"canonicalSlug":"money-reactor-erc-20-balance-lookup-base-network-38a6cb7b"}