--- title: Consumer APIs for ASP.NET Core author: rick-anderson description: Learn about the various ASP.NET Core consumer API data protection topics. ms.author: riande ms.date: 10/14/2016 uid: security/data-protection/consumer-apis/index --- # Consumer APIs for ASP.NET Core * [Consumer APIs Overview](xref:security/data-protection/consumer-apis/overview) * [Purpose Strings](xref:security/data-protection/consumer-apis/purpose-strings) * [Purpose hierarchy and multi-tenancy](xref:security/data-protection/consumer-apis/purpose-strings-multitenancy) * [Hash passwords](xref:security/data-protection/consumer-apis/password-hashing) * [Limit the lifetime of protected payloads](xref:security/data-protection/consumer-apis/limited-lifetime-payloads) * [Unprotect payloads whose keys have been revoked](xref:security/data-protection/consumer-apis/dangerous-unprotect)