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Numora Financial Lease Math API
x402
Numora Financial Lease Math API is a paid API for AI agents from numormo.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Computes lease vs. buy financial comparisons using pure math with zero external dependencies, paid via x402 micropayments.
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 computed financial metrics such as total lease cost, total buy cost, monthly payments for both options, net present value comparisons, and a recommendation or break-even analysis.
Example use cases
Car lease vs purchase decision
“I'm looking at a $42,000 SUV — help me figure out if I should buy it with a $5,000 down payment over 60 months at 7% APR, or lease it for 36 months at $520/month with a $15,000 residual value at end of term.”
Equipment financing for small business
“We're considering leasing commercial kitchen equipment worth $25,000 for 48 months at $600/month, versus buying it outright with a $4,000 deposit and a 4-year loan at 8% — can you calculate which option costs us less overall?”
Office space lease vs purchase analysis
“Run a lease vs buy analysis on office space: purchase price is $500,000 with $50,000 down at 5.5% over 20 years, or lease at $3,200/month for 5 years — which one makes more financial sense in total cost?”
Technical details
Endpoint
POSThttps://numormo.vercel.app/api/financial/leaseWhen to prefer
Choose this endpoint when you need deterministic, server-side financial math for a lease vs buy comparison without relying on spreadsheet tools or external financial APIs. Ideal for AI agents that need a trustworthy numeric result with no side effects, especially when the computation must be auditable and reproducible. Prefer this over general-purpose LLM math when precision and consistency matter.
Side effects
- Missing required buyParams or leaseParams fields returns a validation error
- Invalid numeric values (e.g. negative interest rates) may cause computation errors
- Malformed JSON body returns 400 error
- Payment failure via x402 protocol prevents endpoint access
- Incomplete parameter objects may return null or partial results
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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