Plesk is a commercial platform for managing website hosting. The cost of using Plesk depends on the number of domains to be managed, type of hosting (dedicated or VPS), addon products such as anti virus etc. Plesk allows managing FTP, Email, web site hosting, DNS and more.
Application Programming Interfaces (APIs) may be regarded as the building blocks of software applications. APIs provide a subset of the functionality of a system to an application. An API may be regarded as a set of libraries that allows an application to be used by multiple applications.
Google Cloud Endpoint is a service that allows developing, deploying and managing APIs on Google Cloud. This article describes how to get started with Google Cloud Endpoint.
The WSO2 API Manager is a platform for managing APIs. It allows deploying, monitoring and testing APIs. It is a complete API management platform that allows building scalable APIs.