diff --git a/cmd/git-sync/main.go b/cmd/git-sync/main.go
index d83fcec..5f1e5f4 100644
--- a/cmd/git-sync/main.go
+++ b/cmd/git-sync/main.go
@@ -25,6 +25,8 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
+	"net"
+	"net/http"
 	"os"
 	"os/exec"
 	"os/signal"
@@ -93,6 +95,9 @@ var flCookieFile = flag.Bool("cookie-file", envBool("GIT_COOKIE_FILE", false),
 var flGitCmd = flag.String("git", envString("GIT_SYNC_GIT", "git"),
 	"the git command to run (subject to PATH search)")
 
+var flHTTPBind = flag.String("http-bind", envString("GIT_SYNC_HTTP_BIND", ""),
+	"the bind address for git-sync's HTTP endpoint")
+
 var log = newLoggerOrDie()
 
 func newLoggerOrDie() logr.Logger {
@@ -208,6 +213,17 @@ func main() {
 		}
 	}
 
+	if *flHTTPBind != "" {
+		ln, err := net.Listen("tcp", *flHTTPBind)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "ERROR: unable to bind HTTP endpoint: %v\n", err)
+			os.Exit(1)
+		}
+		go func() {
+			http.Serve(ln, http.DefaultServeMux)
+		}()
+	}
+
 	// From here on, output goes through logging.
 	log.V(0).Infof("starting up: %q", os.Args)