--- title: Consumer APIs author: rick-anderson description: keywords: ASP.NET Core, ms.author: riande manager: wpickett ms.date: 10/14/2016 ms.topic: article ms.assetid: dff0cde2-6612-4b32-bafc-c00bf6d370f2 ms.technology: aspnet ms.prod: asp.net-core uid: security/data-protection/consumer-apis/index --- # Consumer APIs * [Consumer APIs Overview](overview.md) * [Purpose Strings](purpose-strings.md) * [Purpose hierarchy and multi-tenancy](purpose-strings-multitenancy.md) * [Password Hashing](password-hashing.md) * [Limiting the lifetime of protected payloads](limited-lifetime-payloads.md) * [Unprotecting payloads whose keys have been revoked](dangerous-unprotect.md)