Concepts

Understand the basics of Okta's APIs and architecture.

Featured Concepts

Authentication

Use Okta to create a custom login experience for your apps. Learn more about OAuth 2.0 and OIDC implementations, the Authentication API, and the Sign-In Widget.

OAuth 2.0 Overview

An overview of OAuth 2.0 and OpenID Connect and their Okta implementations. This guide helps you determine what flow is best for the app you are building.