url := "https://api.growsurf.com/v2/campaign/4pdlhb"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer TWZ4X4NXESMX03MT66HHS6Z9Z91E")
res, _ := http.DefaultClient.Do(req)
body, _ := ioutil.ReadAll(res.Body)
fmt.Println(string(body))