SharePoint 2013 .NET Server, CSOM, JSOM, and REST API index

Useful API reference of the most frequently used types and objects implemented in .NET object model and at least one client programming model. .NET client-side object model (CSOM), JavaScript object model (JSOM), and/or REST.

CSOM  JSOM and REST API index

CSOM  JSOM and REST API index part 2

CSOM  JSOM and REST API index part 3

CSOM  JSOM and REST API index part 4

Ref: SharePoint 2013 .NET Server, CSOM, JSOM, and REST API index