Shields.io Go SDK for creating an endpoint. $ go get -u clevergo.tech/shields import ( "encoding/json" "net/http" "clevergo.tech/shields" ) func handler(w http.ResponseWriter, req *http.Request) { badge := shields.New("label", "message") badge.LabelColor = shields.ColorBlue err := badge.ParseRequest(req) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } data, err := json.Marshal(badge) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") w.Write(data) }