Clerk BlogThe official source for news, thoughts, and announcements from Clerk

Company

Changelog Oct 22, 2021

Faster, faster, faster! Sub-millisecond auth in your backend, faster sign-in, and faster loading. Plus, community Ember.js and Next.js support.

Company

Changelog Oct 15, 2021

Announcing Authentication v2 - from our first company retreat in Greece

Company

Changelog Oct 8, 2021

Style with the `theme` prop, set a custom session duration, startup pricing, and beta for "magic links"

Company

Changelog Oct 1, 2021

Price drop to 2¢ per MAU, a new guide to customization, a new Google Analytics integration, and a complete API reference.

Insights

Passwordless 101

Learn about passwordless authentication and the most common methods used today.

Insights

History and Rise of "Passwordless"

Learn the history of passwordless, and how it became popularized. From OTPs to MFA to mobile.

Insights

Session management: What it is and why your security depends on it

Learn about session management, its components, and security concerns.

Insights

Don’t underestimate the value of a secure, seamless ‘forgot password’ flow

Learn about “forgot password” flows, how they work, and the best practices to keep in mind.

Guide

Meet our Gatsby plugin

Learn how to add authentication and user management to your Gatsby app with Clerk.

Guide

Authenticated data access using Clerk, Prisma, and MongoDB - A post-making fullstack app

Add a complete authentication workflow with authenticated access to your Prisma API layer to your web application.

Engineering

Generating sortable Stripe-like IDs with Segment's KSUIDs

Learn how Clerk generates resource IDs with inspiration from Stripe and Segment.

Guide

Serverless authentication with Clerk and Firebase

Protect your Firebase Cloud Functions with user authentication using Clerk.

Guide

Row-level access for your Airtable-powered application with Clerk

Learn how to add complete user authenticated access to your Airtable data API using Clerk.

Guide

Build a premium recipes app with Clerk and Firebase

Learn how to connect Clerk as an authentication and user management solution together with your Firebase as your backend.

Company

Clerk raises $4 million to build the next-gen authentication and user management platform for developers

Insights

Designing fast sign in forms— diving into the data

Key insights on building fast sign in forms with Social Sign In, password-based, and passwordless authentication.

Engineering

How we use End To End tests to bulletproof our authentication flows across browsers

In recent years, End To End testing has become a regular topic of discussion in small team environments. The main reasons for this are the evolution of tooling and the need to shift towards high velocity product development.

Guide

Build a to-do app with Clerk and Hasura— and no backend code

Learn to build a to-do app using Clerk for authentication, Hasura for data storage and access, and Next.js for the frontend.

Engineering

How HttpOnly cookies help mitigate XSS attacks

HttpOnly cookies do not prevent cross-site scripting (XSS) attacks, but they do lessen the impact and prevent the need to sign out users after the XSS is patched. HttpOnly cookies are not a substitute for XSS prevention measures.

Guide

How to deploy Clerk using Vercel with one click

If you are looking to implement Auth in the easiest way possible, this is the tutorial for you. Deploy in 5 minutes.

Company

Introducing Clerk: All of user management, not just authentication

The task came with a sense of helplessness. We knew what "great" looked like, but it was impractical to build all of that functionality.