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Numora — Lease vs. Buy Financial Math API
x402
Numora — Lease vs. Buy Financial Math API is a paid API for AI agents from numomo.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Computes and compares lease versus buy financial scenarios, returning key metrics to help decide the optimal financing option
Price / call$0.1
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Car lease vs. purchase decision
“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?”
Equipment financing comparison
“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?”
Office space lease vs. buy analysis
“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?”
Technical details
Endpoint
POSThttps://numomo.vercel.app/api/financial/leaseWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| buyParamsrequired | object | |
| leaseParamsrequired | object |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| resultrequired | object | Computation result varies by endpoint |
| successrequired | boolean | Always true on success |
| computationrequired | string | Human-readable description of what was computed |
Tags
x402
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