{"uid":"cap_HjhriTElUNfyYs7qYIHM4","slug":"klymax402-wallet-portfolio-api-88519373","name":"klymax402 Wallet Portfolio API","description":"One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.","url":"https://klymax402.com/api/wallet-portfolio/api/portfolio","method":"GET","headers":{},"bodySchema":{"type":"object","$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"},"queryParams":{"type":"object","required":["address"],"properties":{"chain":{"enum":["base","ethereum"],"type":"string","description":"Blockchain network (default: base)"},"address":{"type":"string","description":"Wallet address (0x...)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chain":"example","tokens":[],"address":"example","timestamp":"example","tokenCount":1,"nativeBalance":{},"totalPortfolioUsd":1}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gd4bUTpnwuE0WjL-jFUBR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves the complete token portfolio and native balance for a given wallet address on Base or Ethereum, returning token holdings and total USD value.","exampleAgentPrompt":"What tokens does wallet 0x742d35Cc6634C0532925a3b8D4C9C6e8a1b2f3e4 hold on Base, and what's the total portfolio value in USD?","exampleUseCases":[{"title":"DeFi portfolio check for a trader","prompt":"Can you pull up the full token portfolio for wallet 0xAbCd1234...5678 on Ethereum and tell me the total USD value and what tokens it holds?"},{"title":"Monitor a whale wallet's holdings","prompt":"What's the current portfolio composition and total value of this whale address 0x3f5CE5FBFe3E9af3971dD833D26bA9b5C936f0bE on Base?"},{"title":"Verify a user's on-chain assets before a transaction","prompt":"Before we proceed, can you check what tokens and native balance wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 currently has on Ethereum?"}],"resultDescription":"Returns a JSON object containing the wallet address, blockchain network, timestamp, a list of token holdings (with balances and values), the native token balance, total token count, and the total portfolio value in USD.","failureModes":["Invalid or malformed wallet address returns an error","Unsupported chain value returns a validation error","Empty wallet with no tokens returns an empty token array","Network timeout or upstream data provider outage causes a 5xx error","Payment failure (insufficient USDC or x402 rejection) blocks the request"],"whenToPreferThis":"Choose this endpoint when you need a fast, pay-per-call portfolio snapshot for any wallet on Base or Ethereum without managing API keys. It is ideal for lightweight agent workflows that occasionally need on-chain portfolio data without subscribing to a full blockchain data provider. Prefer alternatives if you need historical portfolio data, NFT holdings, or support for chains beyond Base and Ethereum.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:59:07.392Z","isFirstParty":false}