Skip to main content

Back to Learning Center

Authentication protocols and standards

Introduction to popular identity protocols, their strengths and gaps, and when to use them.

Thumbnail image featuring a centered rounded square icon with a teal to mint green gradient fill. The icon contains a dark blue outline illustration of a gear with a wrench, representing configuration or settings tools. The background is a dark navy blue with subtle curved accent lines in teal on both the left and right sides creating a sense of depth and motion.

A Guide to Authentication Protocols

Discover different types of authentication protocols and their use cases to better understand their role in secure and convenient user login.

Auth protocols & standards | Jan 15, 2026

What Is the Model Context Protocol (MCP) and How It Works

Auth protocols & standards | Jan 15, 2026

What Is a JWT & How It Works

Auth protocols & standards | Nov 28, 2025

Dynamic Client Registration 101

Auth protocols & standards | Nov 21, 2025

What is Cross-App Access (XAA) and How It Works

Auth protocols & standards | Oct 31, 2025

What is a Client ID Metadata Document (CIMD)?

Auth protocols & standards | Oct 31, 2025

What is the Agent Payments Protocol (AP2) and How Does It Work?

Chat with Sales

Anonymously - no Slack account required

G2 Users Love Us

Leave a Descope review

All systems operational

Copyright © Descope Inc. All rights reserved.