The ORY Keto API stores permissions and answers if an identity is allowed to perform a certain action over a Rest API. This service provides developers with features that includes; if a certain user is allowed, if a robot is allowed, multi tenant environments, permissions and more. Keto allows you to run security critical open source technology in a self-service format. It is a cloud native access control server providing best-practice patterns via REST API. ORY provides services that adopt OAuth 2.0 for the development of APIs and web services. This may include third party access, authorized mobile apps or IoT devices, or multi-server environments.