{"uid":"cap_k7EUopJA3kJwdLkATBDHR","slug":"numora-simple-interest-calculator-c162b336","name":"Numora Simple 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/simple-interest","method":"POST","headers":{},"bodySchema":{"type":"object","required":["rate","periods","principal"],"properties":{"rate":{"type":"number"},"periods":{"type":"number"},"principal":{"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_vNmdUP9TRrE-_ww9MXPFv","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 simple interest and related financial values given a principal amount, interest rate, and number of periods","exampleAgentPrompt":"What's the simple interest on a $10,000 principal at an annual rate of 6% over 5 years?","exampleUseCases":[{"title":"Loan interest estimation for borrower","prompt":"I'm taking out a $15,000 personal loan at a flat interest rate of 8% per year for 3 years — how much simple interest will I owe in total?"},{"title":"Savings account interest projection","prompt":"If I deposit $2,500 in an account offering 4.5% simple interest per year, how much interest will I have earned after 2 years?"},{"title":"Short-term trade credit calculation","prompt":"A supplier is offering me 90-day trade credit on $50,000 at a simple interest rate of 0.5% per period — can you calculate the total interest cost for 3 periods?"}],"resultDescription":"Returns a JSON object with a boolean 'success' field, a 'computation' string describing what was calculated in human-readable form, and a 'result' object containing the computed simple interest values (typically the interest amount and possibly total amount due).","failureModes":["Missing required fields (rate, periods, or principal) returns a 400-level error","Non-numeric values for rate, periods, or principal cause a validation failure","Negative principal or rate values may produce unexpected or erroneous results","Payment failure via x402 micropayment protocol results in a 402 Payment Required error","Service unavailability on Vercel hosting may cause intermittent 503 errors"],"whenToPreferThis":"Use this endpoint when you need a quick, dependency-free computation of simple interest (non-compounding) for a known principal, rate, and number of periods. Prefer it over compound interest or amortization endpoints when the financial product explicitly uses flat/simple interest, such as short-term loans, trade credit, or basic savings instruments. It is ideal for AI agents needing deterministic, serverless math without calling a general-purpose LLM or spreadsheet tool.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:36:20.197Z","isFirstParty":false}