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Authentication and Authorization in Microservices

An authorized registrar applies a target service declaration. The target receives its own credential and uses its own grants.

TechnicalSep 30, 2026

Declaring Service Access with Manifest Files — Part 4

Why services declare permissions in manifests, and how authorized registration separates requested access from approved grants.

Developer JourneyAuthentication and Authorization in MicroservicesSoftware Engineering

Groups combine user grants within an organization. Ada has separate responsibilities in Organizations A and B.

TechnicalSep 26, 2026

Designing Permissions and Groups for Different Organizations — Part 3

Building a Permission System for Users and Services — Part 3

Developer JourneyAuthentication and Authorization in Microservices

A user logs in, selects Organization A, and receives organization context after Accounts checks membership. Inventory verifies the token and checks access. Excalidraw diagram for Part 2.

TechnicalSep 22, 2026

Verifying Tokens Without Calling Accounts Every Time — Part 2

Building a Permission System for Users and Services — Part 2

Developer JourneyAuthentication and Authorization in Microservices

Ada and Example Sync use separate identities and permission requirements to reach one Inventory operation.

TechnicalSep 16, 2026

Why Users and Services Needed a Shared Permission Model — Part 1

Building a Permission System for Users and Services — Part 1

Developer JourneyAuthentication and Authorization in Microservices