diff --git a/lib/utils/action-utils.js b/lib/utils/action-utils.js
--- a/lib/utils/action-utils.js
+++ b/lib/utils/action-utils.js
@@ -35,6 +35,10 @@
 import type { ConnectionStatus } from '../types/socket-types.js';
 import type { CurrentUserInfo } from '../types/user-types.js';
 
+function extractKeyserverIDFromID(id: string): ?string {
+  return id.split('|')[0];
+}
+
 let nextPromiseIndex = 0;
 
 export type ActionTypes<
@@ -460,4 +464,5 @@
   registerActiveSocket,
   useServerCall,
   bindCookieAndUtilsIntoCallServerEndpoint,
+  extractKeyserverIDFromID,
 };
diff --git a/lib/utils/action-utils.test.js b/lib/utils/action-utils.test.js
new file mode 100644
--- /dev/null
+++ b/lib/utils/action-utils.test.js
@@ -0,0 +1,11 @@
+// @flow
+
+import { extractKeyserverIDFromID } from './action-utils.js';
+
+describe('extractKeyserverIDFromID', () => {
+  it('should return <keyserverID> for <keyserverID>|<number>', () => {
+    const keyserverID = '404';
+    const id = keyserverID + '|1234';
+    expect(extractKeyserverIDFromID(id)).toBe(keyserverID);
+  });
+});