{"uid":"cap_Hj4BvEQvB7MKSypNox-9E","slug":"numora-mortgage-payment-calculator-98acf45d","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://numormo.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_8KzAELtAIVK6hGb1zU35y","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 principal, annual interest rate, and loan term in months","exampleAgentPrompt":"Can you calculate the monthly mortgage payment on a $450,000 loan at a 6.75% annual interest rate over 30 years (360 months)?","exampleUseCases":[{"title":"Home buyer monthly budget planning","prompt":"I'm looking at a $380,000 house and I can put 20% down, so I'd need a $304,000 mortgage. What would my monthly payment be at a 7.1% rate over 30 years?"},{"title":"Comparing 15 vs 30-year loan terms","prompt":"Can you calculate my monthly mortgage payment for a $500,000 loan at 6.5% over 15 years (180 months) so I can compare it to the 30-year option?"},{"title":"Refinancing payoff math","prompt":"I'm thinking of refinancing my mortgage — the new loan would be $275,000 at 5.9% annual interest for 20 years. What would my monthly payment be?"}],"resultDescription":"Returns a JSON object with success=true, a human-readable computation string describing what was computed, and a result object containing the computed monthly payment amount, total payment over the life of the loan, and total interest paid (exact fields vary but center on mortgage amortization outputs).","failureModes":["Missing required fields (rate, months, principal) returns a validation error","Non-positive principal or rate values may cause computation errors","Zero months causes division-by-zero failure","Payment failure via x402 micropayment protocol causes 402 response before computation","Rate provided as percentage vs decimal mismatch (e.g. 6.5 vs 0.065) may yield unexpected results"],"whenToPreferThis":"Use this endpoint when you need a quick, serverless, dependency-free mortgage payment calculation without integrating a full financial data platform. Ideal for AI agents that need to compute loan repayment figures on demand during a conversation, especially when the agent already handles x402 micropayments on Base. Prefer this over general-purpose calculators when you need structured JSON output suitable for downstream agent reasoning.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:48:37.603Z","isFirstParty":false}