Before you create Rest API you must have enable core Web services module list & Install custom "Rest Ui" module and enable it.

Here are the steps to create a content type item

Here are the steps to create a webform

Step:1  Go to Admin/Configuration/Web-services/Rest  and enable "Webform "

Step:2 select all checkbox and save.

Here are the steps to create a block item

Step:1  Go to Admin/Configuration/Web-services/Rest  and enable "Custom block"

Step:2  select all checkbox and save.

Here are the steps to create a menu item list

Step:1  Install "rest_menu_items" module and enable it.

Step:2  Go to Admin = Configuration = Web-services = Rest  and enable "Menu items per menu"

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Before starting with SASS AND COMPASS you need to have Ruby gems so you'll need to have Ruby on your machine.

If not then download Ruby.

Drupal Coding standards provide a set of rules for how your code should be formatted, whether you should use tabs or spaces, what the Naming Convection (Functions, Constants, Global Variables, Classes, and Files)