I don't think you're doing that right. PUT is idempotent, so it should only be used to update an entire resource -- no creating (POST), no partial updates (PAT

I don't think you're doing that right. PUT is idempotent, so it should only be used to update an entire resource -- no creating (POST), no partial updates (PATCH). It would be best to have a URL linked to in a response somewhere that you can POST to to add to the queue, which responds with a 201 or 303.