# User Authentication Kit (User Authentication Service)

- ArkTS APIs
  - [@ohos.userIAM.userAuth (User Authentication)](js-apis-useriam-userauth.md)
  <!--Del-->
  - [@ohos.userIAM.faceAuth (Facial Authentication) (System API)](js-apis-useriam-faceauth-sys.md)
  - [@ohos.userIAM.userAuth (User Authentication) (System API)](js-apis-useriam-userauth-sys.md)
  <!--DelEnd-->
- ArkTS Components
  - [@ohos.userIAM.userAuthIcon (Embedded User Authentication Icons)](ohos-useriam-userauthicon.md)
- Error Codes
  - [User Authentication Error Codes](errorcode-useriam.md)