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Deep dives into authorization concepts, Google Zanzibar, and how to build secure, scalable permissions systems.

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Foundations

What are the key components of ReBAC?

Learn the core building blocks of ReBAC: object types, relations, permission computation, graph traversal, and consistency guarantees, with implementation examples from SpiceDB and OpenFGA.

9 min
Practice

Building an Authorization Platform: Seven Steps to Implementing AuthZ

Learn how to replace fragmented, DIY authorization with a centralized authorization platform—covering common pitfalls, key design decisions, and a seven-step migration framework.

12 min
Foundations

An Introduction to Google Zanzibar and Relationship-Based Authorization Control

Learn how Google's authorization system works and how relationship-based access control can solve complex permission challenges.

25 min
SpiceDB

Resources for building with SpiceDB, AuthZed's open source authorization system.

What is SpiceDB

An open source, Google Zanzibar-inspired permissions database.

Schema examples

Annotated SpiceDB schemas you can copy and adapt.

Documentation

Concepts and API reference for building a SpiceDB schema.

Playground

Write and test a SpiceDB schema in your browser.