diff --git a/src/resources/radar/bgp/routes.ts b/src/resources/radar/bgp/routes.ts
index 5fb559b6ee..3169184a15 100644
--- a/src/resources/radar/bgp/routes.ts
+++ b/src/resources/radar/bgp/routes.ts
@@ -348,6 +348,11 @@ export interface RouteTimeseriesParams {
    */
   format?: 'JSON' | 'CSV';
 
+  /**
+   * Include data delay meta information
+   */
+  includeDelay?: boolean;
+
   /**
    * Location Alpha2 code.
    */
diff --git a/tests/api-resources/radar/bgp/routes.test.ts b/tests/api-resources/radar/bgp/routes.test.ts
index fc507e3b3a..36ac0b74fb 100644
--- a/tests/api-resources/radar/bgp/routes.test.ts
+++ b/tests/api-resources/radar/bgp/routes.test.ts
@@ -134,6 +134,7 @@ describe('resource routes', () => {
           dateRange: '7d',
           dateStart: '2023-09-01T11:41:33.782Z',
           format: 'JSON',
+          includeDelay: true,
           location: 'US',
         },
         { path: '/_stainless_unknown_path' },