{"uid":"cap_7KakB3SodGmUgS0ToA8jD","slug":"numora-compound-interest-calculator-f603558b","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://numormo.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_C0j8RPV_8wfvOn5iMzwZf","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 for a principal amount given an interest rate, number of periods, and optional compounding frequency","exampleAgentPrompt":"Calculate the compound interest on a $5,000 principal at 6% annual interest rate over 10 periods, compounded 12 times per year.","exampleUseCases":[{"title":"Savings account growth projection","prompt":"If I put $10,000 in a savings account at 4.5% annual interest compounded monthly, how much will I have after 5 years?"},{"title":"Loan interest cost estimation","prompt":"I took out a loan of $25,000 at 7.2% interest compounded quarterly over 3 periods — calculate the total compound interest I'll owe."},{"title":"Investment return comparison","prompt":"Can you compute compound interest on $2,500 at 8% annual rate over 20 periods compounded once per year so I can compare it to other options?"}],"resultDescription":"Returns a JSON object with a success flag, a result object containing computed values (such as final balance and interest earned), and a human-readable computation string describing what was calculated.","failureModes":["Missing required fields (rate, periods, principal) returns a 400-level error","Non-numeric values for numeric fields cause validation errors","Negative principal or rate may produce unexpected or invalid results","Payment failure via x402 micropayment protocol results in access denial"],"whenToPreferThis":"Choose this endpoint when you need a reliable, serverless, zero-dependency computation of compound interest with optional control over compounding frequency. Ideal for AI agents that need precise financial math without relying on LLM arithmetic or importing a library. Prefer over general-purpose math APIs when the input/output schema maps cleanly to compound interest variables.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:47:23.092Z","isFirstParty":false}