Deftlr is an anonymous service for seamless secure (end to end encrypted) cloud exchange. It works with desktop and mobile devices. It offers a REST API and currently a JavaScript library (.NET and Java are WIP). It has different pricing plans including "free forever" and pay with crypto. The gamification is the tag&token with auto delete.
Create secure passwords with ease! Eliminate repetative tasks using a highly configurable REST API that implements best practices for easily generating strong phrases (passwords), uuids, EFF word lists. More options are on the way.