Loan Calculator Suite API

GETPOST

Professional loan calculator with 4 specialized endpoints for payment calculations, amortization schedules, payoff scenarios, and loan comparisons.

Try it live

GET

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Loan payments and total interest in one call

Monthly payment, total interest and the first and last payment split for any amount, rate and term.

About this API

Comprehensive loan calculator API with 4 separate endpoints: payment, amortization, payoff, and comparison. Calculate monthly payments with full breakdown, generate detailed amortization schedules with extra payment support, compare payoff scenarios with different extra payment amounts, and analyze multiple rates and terms side-by-side. Includes validation for principal amounts ($100-$10M), interest rates (0.01%-50%), and loan terms (0.25-50 years). Supports multiple output formats (JSON, text, CSV). Essential for mortgage lenders, auto financing companies, personal loan platforms, and financial planning applications.

Endpoint

https://apistack.online/api/finance/loan-calculator/v1

Methods

GETPOST

Category

finance