The POST method is used to submit an entity to the specified resource,
often causing a change in state or side effects on the server.
Arguments
The POST method
If one or more resources has been created on the origin server as a
result of successfully processing a POST request, the origin server
SHOULD send a 201 (Created) response containing a Location header
field that provides an identifier for the primary resource created
(Section 7.1.2 https://tools.ietf.org/html/rfc7231#section-7.1.2)
and a representation that describes the status of the
request while referring to the new resource(s).