def post(payload = {})
      options={method: :post, 
        payload: payload, 
        headers:{content_type: :json, accept: :json}
      }
      run(options)
    end
def post(payload = {})
      options={method: :post, 
        payload: payload, 
        headers:{content_type: :json, accept: :json}
      }
      run(options)
    end
Internal: Run GET request.

 Returns the parsed JSON response body.