Methods

The HTTP request methods, whether each is safe, idempotent and cacheable, and which status codes go with it.

HTTP methods and their properties
Method	Safe	Idempotent	Cacheable	What it does
GET	Yes	Yes	Yes	Requests a representation of the specified resource. Requests using GET should only retrieve data.
POST	No	No	No	Submits an entity to the specified resource, often causing a change in state or side effects on the server.
PUT	No	Yes	No	Replaces all current representations of the target resource with the request payload.
PATCH	No	No	No	Applies partial modifications to a resource.
DELETE	No	Yes	No	Deletes the specified resource.
OPTIONS	Yes	Yes	No	Describes the communication options for the target resource.
HEAD	Yes	Yes	Yes	Asks for a response identical to a GET request, but without the response body.
QUERY	Yes	Yes	Yes	A safe, idempotent, cacheable method that carries the query in the request body, for reads that do not fit in a URI. Defined in RFC 10008.
CONNECT	No	No	No	Establishes a tunnel to the server identified by the target resource, typically through a proxy.
COPY	No	Yes	No	Copies a resource from its current location to the URI given in the Destination header, in WebDAV.
LOCK	No	No	No	Takes out a lock on a resource to prevent conflicting changes, in WebDAV.
MKCOL	No	Yes	No	Creates a new collection resource at the specified location in WebDAV.
MOVE	No	Yes	No	Moves or renames a resource to the URI given in the Destination header, in WebDAV.
PROPFIND	Yes	Yes	No	Retrieves properties defined on a resource, and optionally its member resources, in WebDAV.
PROPPATCH	No	Yes	No	Sets or removes properties on a resource atomically in WebDAV.
REPORT	Yes	Yes	No	Requests a named, parameterized report about a resource, in WebDAV; the read used by CalDAV and CardDAV to query calendars and address books.
SEARCH	Yes	Yes	No	Runs a server-side query described in the request body against a resource, in WebDAV.
TRACE	Yes	Yes	No	Performs a message loop-back test along the path to the target resource for diagnostics.
UNLOCK	No	Yes	No	Removes a lock from a resource using the supplied lock token, in WebDAV.