diff --git a/api/api-doc/commitlog.json b/api/api-doc/commitlog.json
index a401efe4bd..c4ebbb4475 100644
--- a/api/api-doc/commitlog.json
+++ b/api/api-doc/commitlog.json
@@ -69,6 +69,51 @@
                ]
             }
          ]
-      }
+      },
+      {
+      "path": "/commitlog/metrics/completed_tasks",
+      "operations": [
+        {
+          "method": "GET",
+          "summary": "Get completed tasks",
+          "type": "long",
+          "nickname": "get_completed_tasks",
+          "produces": [
+            "application/json"
+          ],
+          "parameters": []
+        }
+      ]
+    },
+    {
+      "path": "/commitlog/metrics/pending_tasks",
+      "operations": [
+        {
+          "method": "GET",
+          "summary": "Get pending tasks",
+          "type": "long",
+          "nickname": "get_pending_tasks",
+          "produces": [
+            "application/json"
+          ],
+          "parameters": []
+        }
+      ]
+    },
+    {
+      "path": "/commitlog/metrics/total_commit_log_size",
+      "operations": [
+        {
+          "method": "GET",
+          "summary": "Get total commit log size",
+          "type": "long",
+          "nickname": "get_total_commit_log_size",
+          "produces": [
+            "application/json"
+          ],
+          "parameters": []
+        }
+      ]
+    }
    ]
 }