diff --git a/packages/api/src/utility/cloudIntf.js b/packages/api/src/utility/cloudIntf.js
index 7fb4232c3..f1e7bd8f6 100644
--- a/packages/api/src/utility/cloudIntf.js
+++ b/packages/api/src/utility/cloudIntf.js
@@ -216,7 +216,7 @@ async function updateCloudFiles(isRefresh) {
     {
       headers: {
         ...getLicenseHttpHeaders(),
-        ...(await getCloudSigninHeaders()),
+        ...(await getCloudInstanceHeaders()),
         'x-app-version': currentVersion.version,
       },
     }
@@ -300,6 +300,17 @@ async function callCloudApiGet(endpoint, signinHolder = null, additionalHeaders
   return resp.data;
 }
 
+async function getCloudInstanceHeaders() {
+  if (!(await fs.exists(path.join(datadir(), 'cloud-instance.txt')))) {
+    const newInstanceId = crypto.randomUUID();
+    await fs.writeFile(path.join(datadir(), 'cloud-instance.txt'), newInstanceId);
+  }
+  const instanceId = await fs.readFile(path.join(datadir(), 'cloud-instance.txt'), 'utf-8');
+  return {
+    'x-cloud-instance': instanceId,
+  };
+}
+
 async function callCloudApiPost(endpoint, body, signinHolder = null) {
   if (!signinHolder) {
     signinHolder = await getCloudSigninHolder();