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SAE Books — Developer Docs

SAE Books is a self-hosted, AGPLv3-licensed accounting platform built for Australian SMEs. This site is for developers — people who want to extend SAE Books, integrate with it, run their own deployment, or contribute upstream.

If you're looking for the user-facing product, head to app.saebooks.com.au (production) or the community forum.

What's here

  • Getting started

    Run SAE Books locally, understand the architecture, see the moving pieces.

  • API reference

    Authentication, conventions, and endpoint documentation for integrators.

  • Modules

    How the core domains — accounting, bank feeds, GST/BAS, fixed assets — fit together.

  • Operations

    Deployment, migrations, multi-tenancy, RLS.

  • Identity & SSO

    DiscourseConnect — how SAE Books delegates authentication to the forum.

  • Contributing

    Code style, testing, release process.

Project status

SAE Books is a young project. The data model, API, and module boundaries are stabilising but still subject to change. Where a page is known to be provisional we mark it with a callout:

Provisional

This area is under active development. Expect breaking changes until 1.0.

Licensing

  • SAE Books source code is licensed under the GNU AGPLv3.
  • This documentation site content is licensed under CC BY-SA 4.0.
  • The SAE Books name and logo are trademarks of Sauer Pty Ltd ATF Saueesti Trust.

Last updated: 2026-06-27.