fincalapi
Stop reimplementing financial math. FinCalc API gives you 8 production-ready financial calculation endpoints: Amortization (full payment schedule), Compound Interest, ROI (simple and annualized), NPV, IRR, Break-Even, Depreciation, and Mortgage. All results in JSON with sub-50ms response times. Stateless - no data stored.
3 subscribers
8 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
fincalapi endpoints
| Method | Endpoint | Description |
|---|---|---|
| GET |
Amortization Schedule /amortize |
Calculate a full amortization schedule with monthly breakdown of principal, interest, and remaining balance for any loan. |
| GET |
Compound Interest /compound-interest |
Calculate compound interest with final value, total interest earned, and growth factor for any compounding frequency. |
| GET |
Return on Investment /roi |
Calculate simple and annualized return on investment given initial cost and final value over a specified time period. |
| GET |
Net Present Value /npv |
Calculate net present value of a series of cash flows at a given discount rate to assess investment viability. |
| GET |
Internal Rate of Return /irr |
Calculate the internal rate of return for a series of cash flows using Newton-Raphson convergence. |
| GET |
Break-Even Analysis /break-even |
Calculate units and revenue needed to cover fixed costs, with contribution margin and break-even point analysis. |
| GET |
Depreciation Schedule /depreciation |
Calculate straight-line and double-declining balance depreciation schedules for an asset over its useful life. |
| GET |
Mortgage Calculator /mortgage |
Calculate monthly mortgage payment, total cost, and total interest paid for any home loan amount, rate, and term. |
fincalapi pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | 5 / minute |
|
| PRO | $9.99 / month | — |
|
| ULTRA | $29.99 / month | — |
|
| MEGA | $99.99 / month | — |
|
