def post(path, body = '', headers = {})
      headers = { 'Content-Type' => 'application/json' }.merge(headers)
      request(:post, path, body, merge_default_headers(headers))
    end
def post(path, body = '', headers = {})
      headers = { 'Content-Type' => 'application/json' }.merge(headers)
      request(:post, path, body, merge_default_headers(headers))
    end
HTTP methods with a body