diff --git a/native/backup/api.js b/native/backup/api.js
index b7fe28f92..2ae5c6702 100644
--- a/native/backup/api.js
+++ b/native/backup/api.js
@@ -1,57 +1,75 @@
 // @flow
 
 import base64 from 'base-64';
 
 import backupService from 'lib/facts/backup-service.js';
 import type { BackupAuth, BackupEncrypted } from 'lib/types/backup-types.js';
 import { makeBackupServiceEndpointURL } from 'lib/utils/backup-service.js';
 import { toBase64URL } from 'lib/utils/base64.js';
 
 import { commUtilsModule } from '../native-modules.js';
 
 function getBackupFormData(backup: BackupEncrypted): FormData {
   const { backupID, userKeys, userData } = backup;
   const userKeysHash = commUtilsModule.sha256(userKeys.buffer);
   const userDataHash = commUtilsModule.sha256(userData.buffer);
   const userKeysStr = commUtilsModule.base64EncodeBuffer(userKeys.buffer);
   const userDataStr = commUtilsModule.base64EncodeBuffer(userData.buffer);
 
   const formData = new FormData();
   formData.append('backup_id', backupID);
   formData.append('user_keys_hash', toBase64URL(userKeysHash));
   formData.append('user_keys', userKeysStr);
   formData.append('user_data_hash', toBase64URL(userDataHash));
   formData.append('user_data', userDataStr);
   formData.append('attachments', '');
   return formData;
 }
 
 function getBackupAuthorizationHeader(auth: BackupAuth) {
   const authStr = JSON.stringify(auth);
   const authBase64 = base64.encode(authStr);
   return `Bearer ${authBase64}`;
 }
 
 async function uploadBackup(backup: BackupEncrypted, auth: BackupAuth) {
   const authHeader = getBackupAuthorizationHeader(auth);
 
   const uploadBackupEndpoint = backupService.httpEndpoints.UPLOAD_BACKUP;
   const sendBackupResponse = await fetch(
     makeBackupServiceEndpointURL(uploadBackupEndpoint),
     {
       method: uploadBackupEndpoint.method,
       body: getBackupFormData(backup),
       headers: {
         'Content-Type': 'multipart/form-data',
         'Authorization': authHeader,
       },
     },
   );
 
   if (!sendBackupResponse.ok) {
     const { status, statusText } = sendBackupResponse;
     throw new Error(`Server responded with HTTP ${status}: ${statusText}`);
   }
 }
 
-export { uploadBackup };
+async function getBackupID(username: string): Promise<string> {
+  const getBackupIDEndpoint = backupService.httpEndpoints.GET_LATEST_BACKUP_ID;
+  const getBackupIDResponse = await fetch(
+    makeBackupServiceEndpointURL(getBackupIDEndpoint, { username }),
+    {
+      method: getBackupIDEndpoint.method,
+    },
+  );
+
+  if (!getBackupIDResponse.ok) {
+    const { status, statusText } = getBackupIDResponse;
+    throw new Error(`Server responded with HTTP ${status}: ${statusText}`);
+  }
+
+  const { backupID } = await getBackupIDResponse.json();
+  return backupID;
+}
+
+export { uploadBackup, getBackupID };