Mastering Drupal 8

HTTP verbs

As we've described previously, REST relies on the idea of interacting with resources. The HTTP protocol has a number of what are called verbs, or methods, used to interact with remote resources. For the purpose of REST, we use POST, GET, PATCH and DELETE which map to the basic CRUD operations of Create, Read, Update and Delete. Each of these verbs has specific meanings and properties:

Verb	Description	Properties
GET	Reads a resource	Safe, idempotent and cacheable
POST	Creates a resource or trigger a data-handling process	Not safe, idempotent or cacheable
PATCH	Updates specified fields in a resource	Idempotent, but not safe or cacheable
DELETE	Deletes a resource	Idempotent, but not safe or ...