OIDC claim: preferred_username

Type: string

Source: Kratos identity traits

Description

Preferred display name. Often the email.

Where it appears

• ID tokens (always for standard claims).
• Userinfo endpoint response (with appropriate scope).
• Introspection response (for opaque tokens).

Related

• Integrate, OIDC userinfo
• Integrate, OIDC discovery
• Cookbook, Add custom claim to ID token