Using Open Policy Agent with Express.js

Manfred Lange
14 min readMay 7, 2023

How to set up and integrate Open Policy Agent (OPA) with Express.js in a TypeScript project

Introduction

Accessing data and functionality requires checking two different things. First you need to establish the identity of the user. The user may be another software that uses your API. Once you have established identity you need to check the permissions of the…

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