diff --git a/changelog/changelog.json b/changelog/changelog.json
index 82c530605d..7a495e1b6f 100644
--- a/changelog/changelog.json
+++ b/changelog/changelog.json
@@ -2,6 +2,175 @@
   {
     "date": "2024-11-13",
     "paths": [
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters",
+        "httpMethod": "GET",
+        "operationId": "listFlexClusters",
+        "tag": "Flex Clusters",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters",
+        "httpMethod": "POST",
+        "operationId": "createFlexCluster",
+        "tag": "Flex Clusters",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}",
+        "httpMethod": "DELETE",
+        "operationId": "deleteFlexCluster",
+        "tag": "Flex Clusters",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}",
+        "httpMethod": "GET",
+        "operationId": "getFlexCluster",
+        "tag": "Flex Clusters",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}",
+        "httpMethod": "PATCH",
+        "operationId": "updateFlexCluster",
+        "tag": "Flex Clusters",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}/backup/download",
+        "httpMethod": "POST",
+        "operationId": "downloadFlexBackup",
+        "tag": "Flex Snapshots",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}/backup/restoreJobs",
+        "httpMethod": "GET",
+        "operationId": "listFlexBackupRestoreJobs",
+        "tag": "Flex Restore Jobs",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}/backup/restoreJobs",
+        "httpMethod": "POST",
+        "operationId": "createFlexBackupRestoreJob",
+        "tag": "Flex Restore Jobs",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}/backup/restoreJobs/{restoreJobId}",
+        "httpMethod": "GET",
+        "operationId": "getFlexBackupRestoreJob",
+        "tag": "Flex Restore Jobs",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}/backup/snapshots",
+        "httpMethod": "GET",
+        "operationId": "listFlexBackups",
+        "tag": "Flex Snapshots",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters/{name}/backup/snapshots/{snapshotId}",
+        "httpMethod": "GET",
+        "operationId": "getFlexBackup",
+        "tag": "Flex Snapshots",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/flexClusters:tenantUpgrade",
+        "httpMethod": "POST",
+        "operationId": "upgradeFlexCluster",
+        "tag": "Flex Clusters",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },
+      {
+        "path": "/api/atlas/v2/groups/{groupId}/streams/accountDetails",
+        "httpMethod": "GET",
+        "operationId": "getAccountDetails",
+        "tag": "Streams",
+        "changes": [
+          {
+            "change": "endpoint added",
+            "changeCode": "endpoint-added",
+            "backwardCompatible": true
+          }
+        ]
+      },      
       {
         "path": "/api/atlas/v2/groups",
         "httpMethod": "GET",