Interest Calculator API is a software interface that allows developers to easily incorporate compound interest calculations into their own applications.

"Explore localized interest rates effortlessly with the Interests Rates Explorer US API, which provides accurate and up-to-date financial information tailored to specific geographies."

"Euribor Interest Rates API: Swiftly retrieve international interest rates from central banks and benchmark indices for well-informed financial decision-making."

A comprehensive suite of South African financial calculators covering bond and property costs, vehicle finance, PAYE tax, VAT, retirement lump sums, personal loans, and inflation. All monetary values in ZAR. Covers 25 endpoints across bond, vehicle, tax, and personal finance modules. Data sourced from SARS, LPC, Government Gazette, SARB, and Stats SA.

A globally usable mortgage and loan calculator supporting multiple currencies. Covers monthly repayments, full amortisation schedules, affordability reverse-calculation, early repayment savings, side-by-side comparison, total cost of ownership, APR, debt-to-income ratio, stamp duty estimates, refinance break-even, balloon payments, interest-only periods, loan consolidation, and biweekly payment options. Pure maths — no external data sources. Pass any currency code (USD, GBP, EUR, ZAR, AUD, etc.) for localised display.

Historical Metal Market API provides instant and past pricing for precious and industrial metals. Supports integration with apps, tools, and financial software.

Investment Calculations API is a cutting-edge financial software solution that offers a wide range of calculations related to investment performance, and portfolio optimization.

Global Metals Rates API delivers up-to-date and past metal prices like gold, silver, and copper—ideal for financial apps, dashboards, and market analysis.

Get accurate live and historical rates for gold, silver, copper, and others. A powerful API built for traders, analysts, and finance professionals.

Get the latest U.S. Treasury yields by term from 1 month to 30 years. Updated daily for financial analysis and insights.

Access metal prices anytime with this API—real-time and historical data for gold, silver, copper, and more. Simple setup, detailed responses.

Understand interest-only mortgage structures with our tool, offering clarity on potential costs and benefits.

Quickly assess your debt-to-income ratio with our accurate tool, ensuring your mortgage approval success.

Calculate your balloon payments easily, helping you manage large final payments effectively with our API.

Calculate global stamp duties with ease using our comprehensive Stamp Duty Calculator for any mortgage or loan.

Discover the benefits of biweekly payments to accelerate your loan repayment with our practical calculation API.

Generate clear amortization schedules for your mortgages, allowing for better planning of your repayment strategy.

Simplify interest calculations with the APR Calculator, helping you choose the best loan options available.

Evaluate your home buying possibilities with our Affordability Calculator, making budgeting simpler and smarter.

Explore options to combine multiple loans effortlessly with our Loan Consolidation API for better financial management.

Determine your refinancing break-even point accurately, ensuring you make informed decisions with our intuitive tool.

Accurately calculate transfer duty and conveyancing fees to streamline property transactions.

Estimate property costs effortlessly with our comprehensive financial calculator API.

Calculate monthly bond repayments quickly to optimize your home loan planning.

Track global metal prices in real-time or historically with this API. Supports key metals like gold, silver, platinum, and more. Reliable and easy to integrate.