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

Calculate net monthly salary and payroll deductions for 20 countries across Latin America, Spain and Portugal. Ideal for HR tech, fintech and remote-work platforms.

Structured data for 35 digital nomad and remote-work visa programs worldwide. Endpoints cover listing and filtering programs, eligibility matching by nationality and income, scored recommendations, residency pathways, tax detail and estimates, comparison, dataset statistics, and a changelog. All data is curated from government immigration sources and updated quarterly. No database, no runtime scraping — fast and deterministic responses.

This API calculates monthly and annual mortgage payments, including property tax, HOA fees, and insurance, while also providing total interest paid.

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.

The Mortgage Calculator API transforms the labyrinth of home financing into simplicity. With precision, it unravels the complexities, revealing detailed mortgage insights. Powered by standard calculation formulas, it orchestrates the symphony of interest rates and unveils the harmonies of monthly and annual payments, empowering informed home investment decisions.

This API calculates mortgage payments on both a monthly and yearly basis, incorporating property taxes, HOA fees, and insurance costs. It also computes the total interest paid throughout the duration of the loan.

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

Accurately calculates income taxes, including federal, state, and social security taxes, showing net income.

Check income tax brackets and rates in the US, organized by tax year and taxpayer status.

Navigate the realm of home financing effortlessly with our Mortgage Calculation API. Seamlessly crunching numbers using standard mortgage formulas, it delivers detailed insights into monthly payments, annual expenses, and interest rates. Empower your applications with precision, ensuring users make informed decisions on their homeownership journey.

Simplify your tax process with our US Income Tax API, offering reliable estimates and valuable insights.

Income Tax Estimator API that provides fast, clear, and accurate tax calculations, optimizing personal and business financial planning.

This API provides access to structured and filterable data on average income statistics by U.S. state, enabling users to retrieve state-level financial indicators such as average hourly income and average annual income.

Retrieve essential US tax filing information quickly and securely with our API, ensuring your tax returns are accurate and timely.

Calculate your US income tax seamlessly with our intuitive API, ensuring you're always informed of your obligations.

Access comprehensive US tax income data effortlessly with our API, designed for swift retrieval and accuracy.

Estimate your US income tax with precision using our US Income Tax Estimator, designed for financial clarity and effective planning.

The Home Loan Calculator API simplifies financial planning by providing accurate estimates of home loan repayments. It calculates monthly payments based on loan amount, interest rate, and term. This API supports integration into financial applications, aiding users in determining affordability and making informed decisions about mortgage financing.

This API computes both monthly and yearly mortgage payments, factoring in property taxes, HOA fees, and insurance, and also calculates the total interest paid over the life of the loan.

Calculate income taxes, including social security contributions and state taxes, returning immediate and accurate results.

Get global insights on US billionaires with comprehensive data, trends, and comparison metrics.

Estimate annual taxes, providing a detailed breakdown of tax liabilities and an accurate calculation of after-tax income.

Optimizes tax calculations, helping you understand your tax obligations and accurately visualize your net income.

Calculates income taxes, federal and state tax refunds, and social security, along with net income and effective tax rate.