We don't need to write anything on successful requests actually, 200 is the default

handlers/root.go

@@ -27,7 +27,7 @@ func Root(resp *types.SpaceAPIResponseV14) func(http.ResponseWriter, *http.Reque
 		}
 
 		w.Header().Set("Access-Control-Allow-Origin", "*")
-		w.Header().Set("Content-Type", "application/json")
+		w.Header().Set("Content-Type", "application/json; charset=utf-8")
 		_, _ = w.Write(response)
 	}
 }

handlers/sensors.go

@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"io"
 	"log"
 	"math"
 	"net/http"
@@ -34,7 +33,5 @@ func EnvironmentSensor(
 		// Set SpaceAPI response values
 		resp.Value = newState
 		resp.LastChange = time.Now().Unix()
-
-		_, _ = io.WriteString(w, "Update Successful")
 	}
 }

handlers/state.go

@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"io"
 	"log"
 	"net/http"
 	"strconv"
@@ -33,7 +32,5 @@ func StateOpen(
 		// Set SpaceAPI response values
 		resp.Open = newState
 		resp.LastChange = time.Now().Unix()
-
-		_, _ = io.WriteString(w, "Update Successful")
 	}
 }

handlers/util.go

@@ -19,7 +19,7 @@ func updateEndpointValidator(
 	// Check BasicAuth credentials
 	username, password, ok := r.BasicAuth()
 	if !ok || !util.CheckCredentials(authDB, validCredentials, username, password) {
-		w.Header().Set("WWW-Authenticate", "Basic realm=\"space-api\"")
+		w.Header()["WWW-Authenticate"] = []string{"Basic realm=\"spaceapid\""}
 		http.Error(w, "", http.StatusUnauthorized)
 		return []byte{}, errors.New(fmt.Sprintf("Unauthorized request from %s Username: %s Password: %s", r.RemoteAddr, username, password))
 	}