The Europeana Blacklight Ruby SDK by Europeana allows developers to use the Euoropeana API as a data source for Blacklight, a discovery platform framework designed for institutions that host digital collections. This SDK is made available under the European Union Public Licence v. 1.1 and comes with a Quick Start guide.
Fhoster's Livebase API is a built-in REST API supporting HTML5, JSON and XML that allows users to create databases in cloud. Details on the API guide you through 5 steps. First is accessing a cloudlet. Fhoster defines a cloudlet as "A small piece of cloud just for you. It contains a dedicated MySQL database and everything you need to execute your models." The second step is accessing an application within the Cloudlet. Third is access a class within the application. Fourth is retrieving a structured object.
The issue that a lot of organizations have with anything to do with NoSQL comes down to the Atomicity, Consistency, Isolation, Durability (ACID) test. Most SQL database administrators (DBAs) worship at the altar of database reliability based on these attributes. When presented with a new database management platform to manage they will resist anything that in their minds is going to make the ACID grade.