diff --git a/server/cmd/echolot-server/main.go b/server/cmd/echolot-server/main.go
index 908f460..ababd1a 100644
--- a/server/cmd/echolot-server/main.go
+++ b/server/cmd/echolot-server/main.go
@@ -234,7 +234,17 @@ func serve(cfg *config.Config) error {
 			http.Error(w, err.Error(), 500)
 			return
 		}
-		fmt.Fprintf(w, `{"token":%q,"expires_in_s":86400}`+"\n", tok)
+		// The whole bootstrap, not just the token: this is what gets pasted or turned into a
+		// QR code, and assembling it here is what keeps an operator from transcribing a pin by
+		// hand — a pin wrong by one character fails as an inscrutable TLS error days later.
+		w.Header().Set("Content-Type", "application/json")
+		enc := json.NewEncoder(w)
+		enc.SetEscapeHTML(false) // the link is full of / and =; escaping them helps nobody
+		_ = enc.Encode(map[string]any{
+			"token":        tok,
+			"expires_in_s": 86400,
+			"enroll_uri":   ctl.EnrollmentLink(tok),
+		})
 	})
 	adminSrv := &http.Server{Addr: cfg.AdminListen, Handler: admin, ReadHeaderTimeout: 10 * time.Second}
 	go func() { errCh <- fmt.Errorf("admin: %w", adminSrv.ListenAndServe()) }()