{"uid":"cap_QfERkvo9lVBXKByTdOX_k","slug":"numora-mortgage-payment-calculator-cf35d818","name":"Numora Mortgage Payment 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/mortgage","method":"POST","headers":{},"bodySchema":{"type":"object","required":["rate","months","principal"],"properties":{"rate":{"type":"number"},"months":{"type":"integer"},"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_pdvX8gHuqdk9ISJVm2aGH","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 monthly mortgage payment and amortization details given a loan principal, annual interest rate, and term in months","exampleAgentPrompt":"Can you calculate the monthly mortgage payment on a $450,000 home loan at 6.75% annual interest rate over 360 months (30 years)?","exampleUseCases":[{"title":"Home buyer monthly payment estimate","prompt":"I'm looking at buying a house for $550,000 and putting 20% down, so my loan would be $440,000. If I get a 30-year mortgage at 7.1% annual interest, what would my monthly payment be?"},{"title":"Comparing 15 vs 30 year mortgage","prompt":"Can you compute the monthly payment on a $300,000 mortgage at 6.25% for 180 months so I can compare it to the 30-year option?"},{"title":"Investment property cash flow analysis","prompt":"I'm financing an investment property with a $250,000 mortgage at 7.5% annual interest over 240 months — what's the monthly payment I'd owe?"}],"resultDescription":"Returns a JSON object with a 'result' object containing computed mortgage details (likely monthly payment, total payment, total interest), a 'success' boolean set to true, and a 'computation' string describing what was calculated in human-readable form.","failureModes":["Missing required fields (rate, months, principal) returns validation error","Negative or zero principal causes computation error","Zero or negative interest rate may return unexpected result","Non-integer months value rejected by schema validation","Extremely large principal or rate values may cause overflow or unrealistic results"],"whenToPreferThis":"Choose this endpoint when you need a fast, dependency-free, serverless computation of standard fixed-rate mortgage payments with no external data sources required. Ideal for agents doing real-time financial planning, loan comparison, or affordability analysis without needing to connect to a bank or financial data provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:39:59.812Z","isFirstParty":false}