Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Apiary - Collaborative design, instant API mock, generated documentation, integrated code samples, debugging and automated testing
CloudBoost.io - One Complete Database Service that does data-storage, search,real-time and a whole lot more.
mashape - mashape is a cloud API hub. It is a place to consume, distribute and manage private and public APIs. The mission is to to unlock and facilitate the distribution and consumption of data and services.
Supabase - An open source Firebase alternative
CA API Management - CA API Management combines functionality for back-end integration, mobile optimization, cloud orchestration and developer management.