HTTP Verbs and Their Proposed Actions

GET access a resource in a read-only mode

POST Normally used to send a new resource into the server (create action)

PUT Normally used to update a given resource (update action)

DELETE Used to delete a resource

HEAD Not part of the CrUD actions, but the verb is used to ask if a given resource exists without returning any of its representations

OPTIONS Not part of the CrUD actions, but used to retrieve a list of available verbs on a given resource (i.e., What can the client do with a specifc resource?)