diff --git a/relay/http.go b/relay/http.go
index f0a5e9e..73d4f23 100644
--- a/relay/http.go
+++ b/relay/http.go
@@ -112,6 +112,13 @@ func (h *HTTP) Stop() error {
 
 func (h *HTTP) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	start := time.Now()
+
+	if r.URL.Path == "/ping" && (r.Method == "GET" || r.Method == "HEAD") {
+			w.Header().Add("X-InfluxDB-Version", "relay")
+			w.WriteHeader(http.StatusNoContent)
+			return
+	}
+
 	if r.URL.Path != "/write" {
 		jsonError(w, http.StatusNotFound, "invalid write endpoint")
 		return