Firstline Documentation

Firstline is a full-fledged identity solution for your software service that you can set up in minutes. Predictable pricing, ease of use and high quality are the key differentiators of Firstline.

Quick setup API Documentation

Getting started

Reading endless documentation is no fun. Secure your application in minutes.

Guides

Quick setup

Learn how to add authentication to your frontend.

Secure your API (backend)

Understand how to secure your backend endpoints.

Customisation

Read about how to customise the sign-in experience.

Mail settings

Learn how to adjust confirmation & password reset mails.

OAuth 2.0

Get a basic understanding of the industry-standard protocol for authorization.