Mark Cost Attribution end_month parameter as not required

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-10-10 19:46:03.896755",
-            "spec_repo_commit": "049920eb"
+            "regenerated": "2024-10-16 20:07:12.083214",
+            "spec_repo_commit": "86072741"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-10-10 19:46:04.041839",
-            "spec_repo_commit": "049920eb"
+            "regenerated": "2024-10-16 20:07:12.101717",
+            "spec_repo_commit": "86072741"
         }
     }
 }

.generator/schemas/v2/openapi.yaml

@@ -28730,7 +28730,7 @@ paths:
           for cost ending this month.'
         in: query
         name: end_month
-        required: true
+        required: false
         schema:
           format: date-time
           type: string

features/v2/usage_metering.feature

@@ -19,8 +19,8 @@ Feature: Usage Metering
     Given operation "GetMonthlyCostAttribution" enabled
     And new "GetMonthlyCostAttribution" request
     And request contains "start_month" parameter with value "{{ timeISO('now - 5d') }}"
-    And request contains "end_month" parameter with value "{{ timeISO('now - 3d') }}"
     And request contains "fields" parameter with value "not_a_product"
+    And request contains "end_month" parameter with value "{{ timeISO('now - 3d') }}"
     When the request is sent
     Then the response status is 400 Bad Request
 
@@ -29,8 +29,8 @@ Feature: Usage Metering
     Given operation "GetMonthlyCostAttribution" enabled
     And new "GetMonthlyCostAttribution" request
     And request contains "start_month" parameter with value "{{ timeISO('now - 5d') }}"
-    And request contains "end_month" parameter with value "{{ timeISO('now - 3d') }}"
     And request contains "fields" parameter with value "infra_host_total_cost"
+    And request contains "end_month" parameter with value "{{ timeISO('now - 3d') }}"
     When the request is sent
     Then the response status is 200 OK
 

packages/datadog-api-client-v2/apis/UsageMeteringApi.ts

@@ -356,8 +356,8 @@ export class UsageMeteringApiRequestFactory extends BaseAPIRequestFactory {
 
   public async getMonthlyCostAttribution(
     startMonth: Date,
-    endMonth: Date,
     fields: string,
+    endMonth?: Date,
     sortDirection?: SortDirection,
     sortName?: string,
     tagBreakdownKeys?: string,
@@ -379,11 +379,6 @@ export class UsageMeteringApiRequestFactory extends BaseAPIRequestFactory {
       throw new RequiredError("startMonth", "getMonthlyCostAttribution");
     }
 
-    // verify required parameter 'endMonth' is not null or undefined
-    if (endMonth === null || endMonth === undefined) {
-      throw new RequiredError("endMonth", "getMonthlyCostAttribution");
-    }
-
     // verify required parameter 'fields' is not null or undefined
     if (fields === null || fields === undefined) {
       throw new RequiredError("fields", "getMonthlyCostAttribution");
@@ -1420,11 +1415,6 @@ export interface UsageMeteringApiGetMonthlyCostAttributionRequest {
    * @type Date
    */
   startMonth: Date;
-  /**
-   * Datetime in ISO-8601 format, UTC, precise to month: `[YYYY-MM]` for cost ending this month.
-   * @type Date
-   */
-  endMonth: Date;
   /**
    * Comma-separated list specifying cost types (e.g., `<billing_dimension>_on_demand_cost`, `<billing_dimension>_committed_cost`, `<billing_dimension>_total_cost`) and the
    * proportions (`<billing_dimension>_percentage_in_org`, `<billing_dimension>_percentage_in_account`). Use `*` to retrieve all fields.
@@ -1434,6 +1424,11 @@ export interface UsageMeteringApiGetMonthlyCostAttributionRequest {
    * @type string
    */
   fields: string;
+  /**
+   * Datetime in ISO-8601 format, UTC, precise to month: `[YYYY-MM]` for cost ending this month.
+   * @type Date
+   */
+  endMonth?: Date;
   /**
    * The direction to sort by: `[desc, asc]`.
    * @type SortDirection
@@ -1694,8 +1689,8 @@ export class UsageMeteringApi {
   ): Promise<MonthlyCostAttributionResponse> {
     const requestContextPromise = this.requestFactory.getMonthlyCostAttribution(
       param.startMonth,
-      param.endMonth,
       param.fields,
+      param.endMonth,
       param.sortDirection,
       param.sortName,
       param.tagBreakdownKeys,