{"uid":"cap_a1CbXjb-CYWtqHCAVFSge","slug":"mint-intel-base-chain-portfolio-balances-57aada4b","name":"Mint Intel: Base Chain Portfolio Balances","description":"Live Base wallet balance - native ETH plus up to 20 ERC-20 balances (default: major tokens such as USDC, WETH, cbBTC, AERO; or caller-supplied ?tokens=) in one bounded JSON-RPC batch (eth_getBalance + balanceOf).","url":"https://mintintel.35-171-220-195.sslip.io/v1/base/portfolio/:address?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"0x-prefixed 20-byte EVM address"}},"additionalProperties":false},"queryParams":{"type":"object","properties":{"tokens":{"type":"string","description":"optional comma-separated ERC-20 addresses (max 20); default: major tokens (USDC, WETH, ...)"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["address","native","tokens"],"properties":{"native":{"type":"object"},"tokens":{"type":"array"},"address":{"type":"string"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__2CDGB-JuW7N_VnIUlIWu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the native ETH balance and up to 20 ERC-20 token balances for a given Base chain wallet address in a single batched JSON-RPC call.","exampleAgentPrompt":"What's the current ETH and USDC balance for Base wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045? Also include WETH and cbBTC if possible.","exampleUseCases":[{"title":"DeFi portfolio snapshot for Base wallet","prompt":"Can you pull the full token portfolio for 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base — I want to see their ETH balance plus USDC, WETH, and AERO holdings."},{"title":"Monitor whale wallet balances on Base","prompt":"Check the ETH and top ERC-20 balances for Base address 0xAbCd1234abcd1234abcd1234abcd1234abcd1234 — I'm tracking whether this wallet has moved any of its USDC or cbBTC recently."},{"title":"Verify token receipt after on-chain transfer","prompt":"Did the transfer go through? Check if 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on Base now has a USDC balance, and also show me their current ETH."}],"resultDescription":"A JSON object containing the queried wallet address, the native ETH balance (in wei and/or formatted ETH), and an array of ERC-20 token entries each with the token contract address and the wallet's balance — covering up to 20 tokens (defaulting to major Base tokens like USDC, WETH, cbBTC, and AERO if none are specified).","failureModes":["Invalid or malformed wallet address returns an error or empty response","Requesting more than 20 token addresses may be rejected or truncated","Unknown or non-ERC-20 contract addresses will return zero balance or an error","Temporary RPC node unavailability may cause a timeout or 5xx response","Address with no activity may return zero balances for all tokens (valid but potentially confusing)"],"whenToPreferThis":"Use this endpoint when you need a quick multi-token balance snapshot for a Base chain wallet in a single call — especially useful for portfolio checks, wallet monitoring, or DeFi agent workflows. Prefer this over raw RPC calls when you want aggregated ETH + ERC-20 balances without managing batched JSON-RPC yourself. Choose this over Ethereum or Solana equivalents specifically for Base (L2) addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:07.830Z","isFirstParty":false,"canonicalSlug":"mint-intel-base-chain-portfolio-balances-57aada4b"}