Internal API Platform

The engine room behind
everything we build.

A growing suite of powerful calculation engines, delivered through a single API. One source of truth. Every project we ship stays accurate, everywhere, always.

0+ Engines & counting
0 Unified API
0% Consistent across projects
API-key Secured access

The suite

Powerful engines, ready to plug in.

Every engine is built, tested and maintained in one place, so when the rules change, each of our products stays correct without lifting a finger.

Australian Taxation

Full coverage of Australian tax calculations, kept current as the rules change.

  • Full Australian Taxation Engine

Property, Duty & Grants

Duty, transfer and grant calculations for every state and every scenario.

  • Commercial Stamp Duty & Transfer Fee Engine
  • Residential Stamp Duty & Transfer Fee Engine
  • Government Grant Solver
  • Funds to Complete Engine

Lending & Borrowing

The calculators behind every borrowing power and repayment question.

  • Borrowing Power Engine
  • Mortgage Repayment Calculator
  • Offset Account Calculator
  • Additional Repayment Calculator
  • Debt Recycling Calculator

Commercial Servicing

Servicing calculations for commercial lending, across every doc type.

  • Commercial Servicing Engine
  • Full Doc Calcs
  • Lease Doc Calcs

Why one platform

Build once. Stay accurate everywhere.

Single source of truth

Update an engine once and every project, tool and product that depends on it stays accurate, automatically.

API-key secured

Access is locked to our own applications with API-key authentication. Internal engines, internal use only.

Documented

Every engine ships with internal documentation, so integrating it into a new project takes minutes, not days.

Built for our tools

The same engines power the calculators and tools we deploy across our projects and broker websites.

One API. Every project.

EngineRoom API is internal, built for our products, our tools and our team.