{"uid":"cap_SgZQtO9Z0VKwZ7GAH8OfD","slug":"losbeto-chain-balance-on-chain-wallet-portfolio-lookup-96055a5c","name":"Losbeto Chain Balance — On-Chain Wallet Portfolio Lookup","description":"OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana, Algorand and Polygon via x402.","url":"https://markets.losbeto.xyz/chain-balance?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","required":["address","tokens"],"properties":{"tokens":{"type":"string","description":"tokens parameter"},"address":{"type":"string","description":"Wallet address — Solana base58 or EVM 0x"}}}}},"output":{"type":"object","properties":{"example":{"type":"object","description":"Native ETH balance + ERC-20 balances (batched eth_call, up to 20 tokens; defaults to USDC/WETH/cbBTC) for any address on Base, plus tx-count nonce, a heuristic wallet_class (ghost/newcomer/steady/degen/whale) and reverse ENS when set. OneSource-level data, with the intelligence layer they lack."}}}}},"responseSchema":{"type":"json"},"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_MVR6wuA_3oXtVWm0wewT9","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 native ETH balance, ERC-20 token balances, transaction nonce, wallet class heuristic, and reverse ENS for any Base address","exampleAgentPrompt":"What are the ETH, USDC, WETH, and cbBTC balances for wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on Base, and tell me if it looks like a whale or a newcomer?","exampleUseCases":[{"title":"DeFi portfolio snapshot for agent","prompt":"Can you pull the full token portfolio for wallet 0xAbCd1234...5678 on Base — I want to see ETH, USDC, WETH and cbBTC balances and whether it's classified as a whale or degen."},{"title":"Wallet activity audit before airdrop","prompt":"I need to know the transaction count and wallet class for 0x1234abcd...ef56 — I want to make sure it's not a ghost wallet before I include it in the airdrop list."},{"title":"ENS resolution with balance context","prompt":"Look up the reverse ENS name and current ETH balance for wallet address 0xDead...Beef on Base so I can display it in our portfolio dashboard."}],"resultDescription":"Returns a JSON object containing native ETH balance, up to 20 ERC-20 token balances (defaults to USDC, WETH, cbBTC), transaction count (nonce), a heuristic wallet_class label (ghost/newcomer/steady/degen/whale), and reverse ENS name if set — all fetched via batched eth_call on Base.","failureModes":["Invalid or malformed wallet address returns an error","Unsupported chain or Solana address may not resolve on Base","Token list exceeding 20 tokens may be truncated or rejected","Wallet with no on-chain activity returns zero balances and ghost classification","Payment failure via x402 results in 402 response before data is returned","ENS not set returns null for reverse ENS field"],"whenToPreferThis":"Choose this endpoint when you need a fast, keyless, pay-per-call wallet balance snapshot on Base with built-in wallet classification and ENS resolution — especially useful for AI agents that need on-chain context without managing API subscriptions. Prefer over alternatives when you want batched multi-token balances plus intelligence metadata (wallet class, nonce, ENS) in a single call, and when paying with USDC via x402 is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:44:25.177Z","isFirstParty":false,"canonicalSlug":"losbeto-chain-balance-on-chain-wallet-portfolio-lookup-96055a5c"}