This API will calculate the repayment installments for any loan that you pass to it.

Calculate full loan amortization schedules using fixed installment and constant amortization systems. Returns installments, interest, principal and totals for any amount, rate and term.

Keyless Costa Rica Hacienda v4.4 comprobante validator: official XSD for 8 document types, the 50-digit clave numerica, CABYS code lists, totals/IVA math, XAdES-EPES signature check. Rule-coded JSON r

Keyless Bolivia SFV/SIAT factura electronica validator: official SIN XSD, code ranges, totals math, CUF/CUFD reconstruction with Modulo 11 and Base16, XML-DSig signature check. Rule-coded JSON report.

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.

Streamline virtual number assignments for business communications with our automated solution.

The Sex Assignment API provides accurate name gender predictions, supporting marketing, research and user interactions with adaptability and data protection.

The Domain Name Assignment API streamlines the process of crafting personalized web URLs, enhancing access and navigation across various online platforms and applications.

Optimize your acquisition strategies with our Acquisitions Focused Acquisitions Focused EU Building Energy Compliance API, ensuring energy-efficient properties.

The Decision Optimizer API optimizes complex decisions by mapping elements to requirements with customized constraints, maximizing results and minimizing costs, ideal for resource, budget and allocation efficiency.

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

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

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

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

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.

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

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

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

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.

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

Estimate property costs effortlessly with our comprehensive financial calculator API.

Optimize decisions by mapping elements to constraints, balancing costs and results efficiently for budget and resource management.