Three regulation calculators as JSON endpoints: EU AI Act classification (Regulation (EU) 2024/1689), CBAM certificate cost 2026 to 2034 (Regulation (EU) 2023/956) and the UAE Corporate Tax

Automate age calculations for individuals or events, streamlining age-related tasks and ensuring precise date computations effortlessly.

The Currency Calculation API facilitates seamless real-time currency conversion calculations, ensuring accuracy and adaptability for applications requiring swift and precise exchange rate computations.

Engineering-grade API for rapid solar, battery, diesel hybrid feasibility, financial modelling and lender-ready project screening across African commercial & industrial markets.

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.

Lender-grade solar+BESS pre-feasibility for African C&I. IRR, DSCR, sensitivity, carbon credits.

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.

CarbonSutra estimates carbon footprint for business travel, global hotel stays, vehicles usage, freight, eCommerce, shipments, fuel and electricity with supplementary APIs on airports and clustering.

Pregnancy due date and gestational age API. EDD from LMP, conception, IVF transfer day, or ultrasound CRL. ACOG redating rules, trimester, and term milestones. Deterministic ISO 8601 dates.

Due date from embryo transfer date. Day-3, day-5, day-6 and egg retrieval calculated separately.

Gestational age at any given date, returned as a 29w2d label and as total days.

Applies ACOG Committee Opinion 700 Table 1 to decide whether an ultrasound overrides LMP dating.

Ovulation estimate and 6-day fertile window from cycle length. Not contraceptive guidance.

Antenatal visit dates from the WHO 2016, NICE or ACOG published schedules, as calendar dates.

Optimize financing with our Financial Modelling API tailored for hybrid solar and diesel systems.

Gain confidence with our Lender-Ready Financial Modelling API for seamless hybrid project financing.

Analyze battery and diesel feasibility in Africa effectively with our dedicated analysis API.

Due date from last menstrual period using Naegele's rule, with 21-45 day cycle length correction.

Trimester boundaries, 24w0d viability, and four preterm and four term classes with their dates.

Dating from BPD, HC, AC and FL measurements in millimetres, using Hadlock 1984 equations.

Conception date from a last menstrual period or from a known due date, as ISO 8601 dates

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.