{"uid":"cap_4C2mgo9RpI4TavGktr-fT","slug":"numora-lease-vs-buy-financial-math-api-011ca212","name":"Numora — Lease vs. Buy Financial Math API","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/lease","method":"POST","headers":{},"bodySchema":{"type":"object","required":["buyParams","leaseParams"],"properties":{"buyParams":{"type":"object"},"leaseParams":{"type":"object"}}},"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_y6FoknlLYjozrP1A8liy7","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 and compares lease versus buy financial scenarios, returning key metrics to help decide the optimal financing option","exampleAgentPrompt":"Can you run a lease-vs-buy analysis for a $35,000 car — the lease is $450/month for 36 months with $2,000 due at signing, and buying would require a $5,000 down payment at 6% APR over 60 months?","exampleUseCases":[{"title":"Car lease vs. purchase decision","prompt":"I'm trying to decide whether to lease or buy a $42,000 SUV. The lease offer is $499/month for 36 months with $3,000 upfront, and the buy option is $7,000 down at 5.9% APR over 60 months. Can you crunch the numbers and tell me which is cheaper overall?"},{"title":"Equipment financing comparison","prompt":"Our company is looking at leasing versus buying a $120,000 piece of manufacturing equipment. The lease is $2,200/month for 48 months, and purchasing would mean $20,000 down at 7% APR over 5 years. Which option costs less in total?"},{"title":"Office space lease vs. buy analysis","prompt":"We're considering whether to lease office space at $8,500/month for 5 years or buy a comparable property for $1.2 million with $240,000 down at 6.5% APR over 20 years. Can you compare the total financial cost of each scenario?"}],"resultDescription":"Returns a JSON object with a success flag, a human-readable computation description, and a result object containing the computed financial metrics for both the lease and buy scenarios — including totals, monthly payment breakdowns, and comparative figures to support the financing decision.","failureModes":["Missing required buyParams or leaseParams fields returns a 400-level error","Invalid or non-numeric financial values (e.g. negative rates, zero terms) may cause computation errors","Incomplete parameter objects may yield incomplete or misleading results","Payment failure via x402 micropayment may block access to the endpoint"],"whenToPreferThis":"Use this endpoint when you need a pure mathematical, dependency-free comparison of lease versus buy scenarios for any asset. It is ideal when you have structured financial parameters for both options and need a reliable numeric output without calling a financial data provider. Prefer this over general-purpose calculators when operating in an agent context that supports x402 micropayments and needs deterministic, reproducible results.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:42:08.410Z","isFirstParty":false}