Correct Error Response of Metric Tag Cardinalities Endpoint (#2632)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

Author: api-clients-generation-pipeline[bot]

.generated-info

@@ -1,4 +1,4 @@
 {
-  "spec_repo_commit": "d02c8a3",
-  "generated": "2025-08-08 12:08:19.964"
+  "spec_repo_commit": "3a6cb30",
+  "generated": "2025-08-12 15:42:26.157"
 }

.generator/schemas/v2/openapi.yaml

@@ -55875,25 +55875,25 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Bad Request
         '403':
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Forbidden
         '404':
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Not Found
         '429':
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/APIErrorResponse'
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
           description: Too Many Requests
       summary: Get tag key cardinality details
       tags:

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

@@ -18,6 +18,7 @@ import { ApiException } from "../../datadog-api-client-common/exception";
 
 import { APIErrorResponse } from "../models/APIErrorResponse";
 import { IntakePayloadAccepted } from "../models/IntakePayloadAccepted";
+import { JSONAPIErrorResponse } from "../models/JSONAPIErrorResponse";
 import { MetricAllTagsResponse } from "../models/MetricAllTagsResponse";
 import { MetricAssetsResponse } from "../models/MetricAssetsResponse";
 import { MetricBulkTagConfigCreateRequest } from "../models/MetricBulkTagConfigCreateRequest";
@@ -1136,20 +1137,23 @@ export class MetricsApiResponseProcessor {
         await response.body.text(),
         contentType
       );
-      let body: APIErrorResponse;
+      let body: JSONAPIErrorResponse;
       try {
         body = ObjectSerializer.deserialize(
           bodyText,
-          "APIErrorResponse"
-        ) as APIErrorResponse;
+          "JSONAPIErrorResponse"
+        ) as JSONAPIErrorResponse;
       } catch (error) {
         logger.debug(`Got error deserializing error: ${error}`);
-        throw new ApiException<APIErrorResponse>(
+        throw new ApiException<JSONAPIErrorResponse>(
           response.httpStatusCode,
           bodyText
         );
       }
-      throw new ApiException<APIErrorResponse>(response.httpStatusCode, body);
+      throw new ApiException<JSONAPIErrorResponse>(
+        response.httpStatusCode,
+        body
+      );
     }
 
     // Work around for missing responses in specification, e.g. for petstore.yaml