{"uid":"cap_6nPPSF6iYxEf42IkkawKZ","slug":"numora-compound-interest-calculator-c18727b5","name":"Numora Compound Interest Calculator","description":"100 pure math computation endpoints for AI agents. Statistics, financial math, linear algebra, equation solving, calculus, number theory, sequence generation, and unit conversions. Zero external dependencies. x402 micropayments on Base.","url":"https://numomo.vercel.app/api/financial/compound-interest","method":"POST","headers":{},"bodySchema":{"type":"object","required":["rate","periods","principal"],"properties":{"rate":{"type":"number"},"periods":{"type":"number"},"principal":{"type":"number"},"compoundsPerYear":{"type":"number"}}},"responseSchema":{"type":"object","required":["success","result","computation"],"properties":{"result":{"type":"object","description":"Computation result varies by endpoint"},"success":{"type":"boolean","description":"Always true on success"},"computation":{"type":"string","description":"Human-readable description of what was computed"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g8WpuThlD0AT_MNjrWELZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes compound interest growth given a principal amount, interest rate, number of periods, and optional compounding frequency per year","exampleAgentPrompt":"Calculate compound interest on a $10,000 principal at a 5% annual rate over 10 years, compounded 12 times per year.","exampleUseCases":[{"title":"Retirement savings growth projection","prompt":"How much will my $25,000 retirement account grow if it earns 7% annually over 30 years, compounded monthly?"},{"title":"Loan cost estimation","prompt":"I took out a $15,000 loan at 8.5% interest — can you calculate how much I'll owe after 5 years with quarterly compounding?"},{"title":"Investment comparison scenario","prompt":"If I invest $5,000 at a 4% annual interest rate for 8 years compounded twice a year, what's the final amount?"}],"resultDescription":"Returns a JSON object with a 'result' containing the computed compound interest values (e.g. final balance, interest earned), a 'success' boolean flag, and a 'computation' string describing in plain English what was calculated.","failureModes":["Missing required fields (principal, rate, or periods) returns a validation error","Non-numeric values for numeric fields cause a bad request error","Negative or zero periods may produce undefined mathematical results","Very large exponents could cause floating-point overflow","Payment failure via x402 micropayment prevents the call from completing"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, serverless compound interest calculation with zero external dependencies. It's ideal for AI agents performing inline financial math without relying on web scraping, LLM arithmetic, or third-party financial APIs. Prefer it when exact formula-based computation is required for savings, loans, or investment projections.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:47:57.394Z","isFirstParty":false}