diff --git a/features/platform-analytics/backend-api/src/modules/analytics-gateway/analytics-api.client.ts b/features/platform-analytics/backend-api/src/modules/analytics-gateway/analytics-api.client.ts
index 16abe6c73..2aa32953c 100644
--- a/features/platform-analytics/backend-api/src/modules/analytics-gateway/analytics-api.client.ts
+++ b/features/platform-analytics/backend-api/src/modules/analytics-gateway/analytics-api.client.ts
@@ -175,11 +175,12 @@ export class AnalyticsApiClient implements OnModuleInit {
 
   private async fetchJson<T>(path: string, params?: Record<string, string>): Promise<T> {
     const url = new URL(path, this.baseUrl);
-    if (params) {
-      for (const [key, value] of Object.entries(params)) {
-        if (value !== undefined) {
-          url.searchParams.set(key, value);
-        }
+    const endDate = params?.endDate ?? new Date().toISOString().split('T')[0];
+    const startDate = params?.startDate ?? new Date(Date.now() - 30 * 24 * 60 * 60 * 1000).toISOString().split('T')[0];
+    const merged: Record<string, string> = { startDate, endDate, ...params };
+    for (const [key, value] of Object.entries(merged)) {
+      if (value !== undefined) {
+        url.searchParams.set(key, value);
       }
     }