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                            "key": "Authorization",
                            "value": "<token>"
                          }
                        ],
                        "url": {
                          "raw": "{{baseUrl}}/contacts/v1/attributeSets",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "contacts",
                            "v1",
                            "attributeSets"
                          ]
                        }
                      },
                      "status": "OK",
                      "code": 200,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"count\": \"<integer>\",\n  \"items\": [\n    {\n      \"name\": \"<string>\",\n      \"attributes\": [\n        {\n          \"name\": \"<string>\",\n          \"dataType\": \"<string>\",\n          \"isRequired\": \"<boolean>\",\n          \"isReadOnly\": \"<boolean>\"\n        },\n        {\n          \"name\": \"<string>\",\n          \"dataType\": \"<string>\",\n          \"isRequired\": \"<boolean>\",\n          \"isReadOnly\": \"<boolean>\"\n        }\n      ]\n    },\n    {\n      \"name\": \"<string>\",\n      \"attributes\": [\n        {\n          \"name\": \"<string>\",\n          \"dataType\": \"<string>\",\n          \"isRequired\": \"<boolean>\",\n          \"isReadOnly\": \"<boolean>\"\n        },\n        {\n          \"name\": \"<string>\",\n          \"dataType\": \"<string>\",\n          \"isRequired\": \"<boolean>\",\n          \"isReadOnly\": \"<boolean>\"\n        }\n      ]\n    }\n  ]\n}",
                      "createdAt": "2026-07-28T02:50:16.000Z",
                      "updatedAt": "2026-07-28T02:50:16.000Z",
                      "uid": "35240-03dd0fef-5cdb-4e80-911d-e6eed8eb16ec"
                    },
                    {
                      "id": "ebca8748-551f-4018-90c4-2a9d61dde433",
                      "name": "Unauthorized",
                      "originalRequest": {
                        "method": "GET",
                        "header": [
                          {
                            "key": "Accept",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: oauth2",
                            "key": "Authorization",
                            "value": "<token>"
                          }
                        ],
                        "url": {
                          "raw": "{{baseUrl}}/contacts/v1/attributeSets",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "contacts",
                            "v1",
                            "attributeSets"
                          ]
                        }
                      },
                      "status": "Unauthorized",
                      "code": 401,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"message\": \"<string>\",\n  \"errorcode\": \"<integer>\",\n  \"documentation\": \"<string>\"\n}",
                      "createdAt": "2026-07-28T02:50:16.000Z",
                      "updatedAt": "2026-07-28T02:50:16.000Z",
                      "uid": "35240-ebca8748-551f-4018-90c4-2a9d61dde433"
                    },
                    {
                      "id": "fb358f61-0fa6-4bab-bdf7-e3d27239a476",
                      "name": "Too many requests",
                      "originalRequest": {
                        "method": "GET",
                        "header": [
                          {
                            "key": "Accept",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: oauth2",
                            "key": "Authorization",
                            "value": "<token>"
                          }
                        ],
                        "url": {
                          "raw": "{{baseUrl}}/contacts/v1/attributeSets",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "contacts",
                            "v1",
                            "attributeSets"
                          ]
                        }
                      },
                      "status": "Too Many Requests",
                      "code": 429,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"message\": \"<string>\",\n  \"errorcode\": \"<integer>\",\n  \"documentation\": \"<string>\"\n}",
                      "createdAt": "2026-07-28T02:50:16.000Z",
                      "updatedAt": "2026-07-28T02:50:16.000Z",
                      "uid": "35240-fb358f61-0fa6-4bab-bdf7-e3d27239a476"
                    },
                    {
                      "id": "5cafb935-c3e9-4f0c-865e-4ed5fbe41be0",
                      "name": "Internal server error",
                      "originalRequest": {
                        "method": "GET",
                        "header": [
                          {
                            "key": "Accept",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: oauth2",
                            "key": "Authorization",
                            "value": "<token>"
                          }
                        ],
                        "url": {
                          "raw": "{{baseUrl}}/contacts/v1/attributeSets",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "contacts",
                            "v1",
                            "attributeSets"
                          ]
                        }
                      },
                      "status": "Internal Server Error",
                      "code": 500,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"message\": \"<string>\",\n  \"errorcode\": \"<integer>\",\n  \"documentation\": \"<string>\"\n}",
                      "createdAt": "2026-07-28T02:50:16.000Z",
                      "updatedAt": "2026-07-28T02:50:16.000Z",
                      "uid": "35240-5cafb935-c3e9-4f0c-865e-4ed5fbe41be0"
                    }
                  ],
                  "createdAt": "2026-07-28T02:50:16.000Z",
                  "updatedAt": "2026-07-28T02:50:16.000Z",
                  "uid": "35240-881bd023-31b8-4eca-8e5c-87b824092b8c"
                }
              ],
              "id": "4e5a4163-8c74-4cfa-a287-bf3fc11a8b1c",
              "createdAt": "2026-07-28T02:50:16.000Z",
              "updatedAt": "2026-07-28T02:50:16.000Z",
              "uid": "35240-4e5a4163-8c74-4cfa-a287-bf3fc11a8b1c"
            }
          ],
          "id": "5b09685b-cd03-4013-8b6d-f683f99adef2",
          "createdAt": "2026-07-28T02:50:16.000Z",
          "updatedAt": "2026-07-28T02:50:16.000Z",
          "uid": "35240-5b09685b-cd03-4013-8b6d-f683f99adef2"
        }
      ],
      "id": "f6ae34de-a28e-4893-849b-823310b4021f",
      "createdAt": "2026-07-28T02:50:16.000Z",
      "updatedAt": "2026-07-28T02:50:16.000Z",
      "uid": "35240-f6ae34de-a28e-4893-849b-823310b4021f"
    }
  ],
  "auth": {
    "type": "oauth2",
    "oauth2": [
      {
        "key": "accessTokenUrl",
        "value": "https://YOUR_SUBDOMAIN.auth.marketingcloudapis.com/v2/token",
        "type": "string"
      },
      {
        "key": "grant_type",
        "value": "client_credentials",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "subdomain",
      "value": "YOUR_SUBDOMAIN"
    },
    {
      "key": "baseUrl",
      "value": "https://{{subdomain}}.rest.marketingcloudapis.com"
    }
  ]
}