package main import ( "fmt" "io/ioutil" "net/http" ) func main() { p := "20A4782A-512C-40ED-8AF9-FCFC7CD29E5B.docx" turl := "http://127.0.0.1:9000/support/preview/preview" resp, err := http.Get(turl+"?p="+p) if err != nil { // handle error } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { // handle error } fmt.Println(string(body)) }