SaaSActive

Clerk Authentication

User authentication service with email, phone, password, passkeys, SSO, and MFA options.

Field note

What it does

Configurable sign-up and sign-in flows with multiple auth strategies including email OTP/links, phone SMS, usernames, passwords, passkeys, SSO, Web3, and MFA.

Capabilities

Available capabilities

Phone authentication Web3 authentication Email authentication Passkey authentication Multi-Factor Authentication Single sign-on

Domain restrictions for passkeys

Clerk Authentication

What it does

Available capabilities

Tags

Ways to use it

Product features

Domain restrictions for passkeys

Email

Passkey limitations

Passkeys

Password

Phone

Restrict changes

Sign-up and sign-in options

SMS allowlist

User & authentication

User model

Username