{"uid":"cap_qn-4-sYdZtDpx6784YLjF","slug":"agent402-uk-compound-interest-calculator-0eebf382","name":"Agent402 UK Compound Interest Calculator","description":"Don't burn tokens on deterministic work. Go/no-go jobs first: payout preflight, text firewall (PII/secrets), budget check — then rails, calendars, finmath. x402 USDC on Base. UK + global. agent402.co.uk — not agent402.tools. $0.001–$0.002 USDC on Base. No API keys.","url":"https://agent402.co.uk/v1/math/compound","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rate":{"type":"number","description":"Rate per period"},"periods":{"type":"number","description":"Number of periods"},"principal":{"type":"number","description":"Starting amount"},"compounds_per_period":{"type":"number","description":"Compounds per period"}}},"responseSchema":{"type":"json","example":{"amount":1628.894626777442,"interest":628.894626777442}},"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":"down","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_QR89i_IGFRQbyfjAAxXgf","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":"Calculates compound interest given a principal, rate, number of periods, and compounding frequency","exampleAgentPrompt":"Can you calculate the compound interest on a $25,000 principal at an annual rate of 6%, compounded monthly, over 10 years?","exampleUseCases":[{"title":"Savings account growth projection","prompt":"I have $15,000 in a savings account earning 4.5% annually, compounded monthly. How much will I have after 7 years?"},{"title":"Loan interest cost estimation","prompt":"I'm taking out a $50,000 loan at 8% interest compounded quarterly over 5 years — what's the total compound interest I'll end up paying?"},{"title":"Investment return comparison","prompt":"If I invest $5,000 at 7% per year compounded daily over 20 years, what will the final balance be?"}],"resultDescription":"Returns the calculated compound interest result including the final balance or accrued interest based on the provided principal, rate per period, number of periods, and compounding frequency per period.","failureModes":["Missing required fields (principal, rate, periods) returns a validation error","Non-numeric values for numeric fields result in a 400 bad request","Negative or zero periods may return an error or unexpected result","Very large numbers may cause precision issues in floating point arithmetic"],"whenToPreferThis":"Choose this endpoint when you need a fast, serverless compound interest calculation without building your own math logic. Ideal for financial planning agents, savings projectors, or loan analysis tools that need reliable compounding arithmetic. Prefer this over general-purpose code execution when you want a dedicated, well-defined financial math endpoint with predictable output.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T15:26:21.183Z","isFirstParty":false}