diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index 4331313d34bc..c5a024621929 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -138112,7 +138112,7 @@ paths:
     get:
       description: |-
         Returns a list of environments for the organization.
-        Supports filtering by name and key.
+        Supports filtering by name, key, and DD_ENV.
       operationId: ListFeatureFlagsEnvironments
       parameters:
         - description: Filter environments by name (partial matching).
@@ -138127,6 +138127,12 @@ paths:
           name: key
           schema:
             type: string
+        - description: Filter environments by queries that contain the provided DD_ENV value.
+          example: "staging"
+          in: query
+          name: dd_env
+          schema:
+            type: string
         - description: Maximum number of results to return.
           example: 10
           in: query
diff --git a/features/support/scenarios_model_mapping.ts b/features/support/scenarios_model_mapping.ts
index 08f8b5c7c42e..1024c224c763 100644
--- a/features/support/scenarios_model_mapping.ts
+++ b/features/support/scenarios_model_mapping.ts
@@ -9409,6 +9409,10 @@ export const ScenariosModelMappings: {[key: string]: {[key: string]: any}} = {
             "type": "string",
             "format": "",
             },
+        "ddEnv": {
+            "type": "string",
+            "format": "",
+            },
         "limit": {
             "type": "number",
             "format": "int64",
diff --git a/packages/datadog-api-client-v2/apis/FeatureFlagsApi.ts b/packages/datadog-api-client-v2/apis/FeatureFlagsApi.ts
index b2b0372f1d92..649e53c30c5b 100644
--- a/packages/datadog-api-client-v2/apis/FeatureFlagsApi.ts
+++ b/packages/datadog-api-client-v2/apis/FeatureFlagsApi.ts
@@ -548,6 +548,7 @@ export class FeatureFlagsApiRequestFactory extends BaseAPIRequestFactory {
   public async listFeatureFlagsEnvironments(
     name?: string,
     key?: string,
+    ddEnv?: string,
     limit?: number,
     offset?: number,
     _options?: Configuration
@@ -579,6 +580,13 @@ export class FeatureFlagsApiRequestFactory extends BaseAPIRequestFactory {
         ""
       );
     }
+    if (ddEnv !== undefined) {
+      requestContext.setQueryParam(
+        "dd_env",
+        ObjectSerializer.serialize(ddEnv, "string", ""),
+        ""
+      );
+    }
     if (limit !== undefined) {
       requestContext.setQueryParam(
         "limit",
@@ -2500,6 +2508,11 @@ export interface FeatureFlagsApiListFeatureFlagsEnvironmentsRequest {
    * @type string
    */
   key?: string;
+  /**
+   * Filter environments by queries that contain the provided DD_ENV value.
+   * @type string
+   */
+  ddEnv?: string;
   /**
    * Maximum number of results to return.
    * @type number
@@ -2922,7 +2935,7 @@ export class FeatureFlagsApi {
 
   /**
    * Returns a list of environments for the organization.
-   * Supports filtering by name and key.
+   * Supports filtering by name, key, and DD_ENV.
    * @param param The request object
    */
   public listFeatureFlagsEnvironments(
@@ -2933,6 +2946,7 @@ export class FeatureFlagsApi {
       this.requestFactory.listFeatureFlagsEnvironments(
         param.name,
         param.key,
+        param.ddEnv,
         param.limit,
         param.offset,
         options