Need more than just a sign-in box? Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.
Trusted by fast-growing companies around the world
Pixel-perfect UIs, embedded in minutes
Simply add <SignIn/><SignUp/><UserButton/><UserProfile/> for complete user management functionality. Match to your brand with any CSS library, then deploy to your own domain — no more jarring redirects!
Ever feel like authentication requirements change with the season? Clerk keeps up with the latest trends and security best practices.
Each user's self-serve multifactor settings are enforced automatically during sign-in.
Reduce fraudulent sign-ups and free trial abuse by blocking high-risk disposable email domains and restricting the use of email subaddresses with the “+” separator.
Clerk is SOC 2 type 2 certified and CCPA compliant. We conduct regular third-party audits and penetration tests.
Clerk manages the full session lifecycle, including critical security functionality like active device monitoring and session revocation.
Add high-conversion Social Sign-on (SSO) to your application in minutes. 20+ options and growing.
Dramatically reduce fraudulent sign-ups with built-in, continually updated machine learning.
Fast and reliable one-time passcode delivery with built-in brute force prevention.
Improve sign-up conversion rates and filter out spam/fraud withMagic Links.
Simple and secure password authentication, complete with breach detection and recovery options.
Start now, no strings attached
Integrate complete user management in minutes.Free for your first 10,000 monthly active users and 100 monthly active orgs. No credit card required.
Start now, no strings attached
Integrate complete user management in minutes.Free for your first 10,000 monthly active users and 100 monthly active orgs. No credit card required.
