{"uid":"cap_BHQdeXneSh07fuWVQyzfe","slug":"apexapi-compound-interest-calculator-5f6c8d7b","name":"ApexAPI Compound Interest Calculator","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/finance/compound/calc","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.106656","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":"$0.106656/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.106656","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.106656","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ejwZSs_pxIWzzWrdvdXt-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.106656","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates compound interest growth given principal, rate, and time parameters","exampleAgentPrompt":"How much will $10,000 grow to if I invest it at a 6% annual interest rate compounded monthly for 5 years?","exampleUseCases":null,"resultDescription":"Returns computed future value, total interest earned, and possibly a breakdown of growth over the compounding periods based on the provided principal, rate, frequency, and duration.","failureModes":["Missing or invalid principal amount returns error","Negative or zero interest rate may produce unexpected results","Invalid compounding frequency string causes bad request","Malformed query string fails to parse input parameters","Payment failure (402) if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call compound interest calculation without setting up API keys. Ideal for agents that occasionally need financial math without integrating a full financial SDK or spreadsheet tool.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:05:26.858Z","isFirstParty":false}