PUT or POST -- the REST of the Story

After that discussion, a more realistic mapping would seem to be:

  • Create = PUT iff you are sending the full content of the specified resource (URL).
  • Create = POST if you are sending a command to the server to create a subordinate of the specified resource, using some server-side algorithm.
  • Retrieve = GET.
  • Update = PUT iff you are updating the full content of the specified resource.
  • Update = POST if you are requesting the server to update one or more subordinates of the specified resource.
  • Delete = DELETE.

NOTE: “iff” means “if and only if”.

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