{"uid":"cap_qDCiIR3AYhc_eq1DoboMR","slug":"finmath-eth-address-validate-3c7e5ead","name":"finmath ETH Address Validate","description":"Deterministic finance and crypto math for AI agents: TradFi (NPV, IRR, XIRR, Black-Scholes + Greeks, bonds, VaR, Sharpe) and DeFi (impermanent loss, perp liquidation, funding, Uniswap v3, health factor, cost basis). Exact, model-free arithmetic that LLMs get wrong — priced per call in USDC.","url":"https://finmath.qzqh5rrbkz.workers.dev/v1/eth_address_validate","method":"POST","headers":{},"bodySchema":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"address"}}},"responseSchema":{"type":"object","required":["result","meta"],"properties":{"meta":{"type":"object"},"result":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_izRYEIk12uG6_DrMxT81G","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":"Validates whether a given string is a well-formed Ethereum address","exampleAgentPrompt":"Check whether '0x742d35Cc6634C0532925a3b844Bc454e4438f44e' is a valid Ethereum address.","exampleUseCases":null,"resultDescription":"A result object indicating whether the provided address string is a valid Ethereum address (proper format and optional checksum), along with meta information about the call.","failureModes":["Missing required 'address' field returns validation error","Non-string input may cause schema rejection","Payment failure (402) if USDC balance is insufficient","Malformed request body returns 4xx error"],"whenToPreferThis":"Use this endpoint when you need deterministic, exact Ethereum address validation rather than relying on an LLM's pattern-matching. Ideal before sending funds, registering an address, or ingesting user-supplied wallet addresses into a system. Prefer over ad-hoc regex checks when accuracy and auditability matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:31:42.516Z","isFirstParty":false}