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ClerkCK
CK

Clerk

User management that just works

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SAASSeries BEst. 202050–100 employeesSan Francisco

Clerk provides embeddable UI components, flexible APIs, and an admin dashboard to authenticate and manage users without building auth from scratch. It supports passkeys, social login, SMS, and multi-factor auth with pre-built React components that match your app's design. Over 20,000 projects use Clerk in production, making it the fastest-growing auth platform for developers.

Total Raised$57M
Andreessen HorowitzTiger Global

Founders

C
Colin Sidoti
B
Braden Sidoti