1# User Authentication Kit (User Authentication Service) 2 3- ArkTS APIs<!--user-authentication-arkts--> 4 - [@ohos.userIAM.userAuth (User Authentication)](js-apis-useriam-userauth.md) 5 <!--Del--> 6 - [@ohos.userIAM.faceAuth (Facial Authentication) (System API)](js-apis-useriam-faceauth-sys.md) 7 - [@ohos.userIAM.userAuth (User Authentication) (System API)](js-apis-useriam-userauth-sys.md) 8 <!--DelEnd--> 9- ArkTS Components<!--user-authentication-comp--> 10 - [@ohos.userIAM.userAuthIcon (Embedded User Authentication Icons)](ohos-useriam-userauthicon.md) 11- Error Codes 12 - [User Authentication Error Codes](errorcode-useriam.md) 13