{
  "info": {
    "_postman_id": "4634c6e3-feb5-48e9-9c68-c24b68dcffca",
    "name": "AT&T Balance Management API",
    "description": "A messaging API enabling applications to send, receive, update, and delete MMS and SMS messages on behalf of AT&T users with explicit OAuth consent. Supports messages to phone numbers, short codes, and email addresses across AT&T and other carriers with full inbox management and delta synchronization.",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T01:05:43.000Z",
    "updatedAt": "2026-07-28T01:05:44.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-4634c6e3-feb5-48e9-9c68-c24b68dcffca"
  },
  "item": [
    {
      "name": "topupBalance",
      "item": [
        {
          "name": "AT&T Create Balance Top-Up",
          "id": "9af5ddb5-2de4-4a2a-b243-f7769ea62ea2",
          "protocolProfileBehavior": {
            "disableBodyPruning": true
          },
          "request": {
            "method": "POST",
            "header": [
              {
                "key": "Content-Type",
                "value": "application/json"
              },
              {
                "key": "Accept",
                "value": "application/json"
              }
            ],
            "body": {
              "mode": "raw",
              "raw": "{\n  \"channel\": {\n    \"name\": \"<string>\"\n  },\n  \"product\": {\n    \"id\": \"<string>\"\n  },\n  \"amount\": {\n    \"units\": \"<number>\",\n    \"currency\": \"<string>\"\n  }\n}",
              "options": {
                "raw": {
                  "headerFamily": "json",
                  "language": "json"
                }
              }
            },
            "url": {
              "raw": "{{baseUrl}}/topupBalance",
              "host": [
                "{{baseUrl}}"
              ],
              "path": [
                "topupBalance"
              ]
            },
            "description": "Add data or voice balance to a subscriber's account. Corresponds to TMF 654 Prepay Balance Management API."
          },
          "response": [
            {
              "id": "25716147-39b5-4f36-9a4c-a5875d7a776d",
              "name": "Balance top-up successfully processed",
              "originalRequest": {
                "method": "POST",
                "header": [
                  {
                    "key": "Content-Type",
                    "value": "application/json"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "body": {
                  "mode": "raw",
                  "raw": "{\n  \"channel\": {\n    \"name\": \"<string>\"\n  },\n  \"product\": {\n    \"id\": \"<string>\"\n  },\n  \"amount\": {\n    \"units\": \"<number>\",\n    \"currency\": \"<string>\"\n  }\n}",
                  "options": {
                    "raw": {
                      "headerFamily": "json",
                      "language": "json"
                    }
                  }
                },
                "url": {
                  "raw": "{{baseUrl}}/topupBalance",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "topupBalance"
                  ]
                }
              },
              "status": "Created",
              "code": 201,
              "_postman_previewlanguage": "json",
              "header": [
                {
                  "key": "Content-Type",
                  "value": "application/json"
                }
              ],
              "cookie": [],
              "responseTime": null,
              "body": "{\n  \"id\": \"<string>\",\n  \"href\": \"<uri>\",\n  \"status\": \"inProgress\"\n}",
              "createdAt": "2026-07-28T01:05:44.000Z",
              "updatedAt": "2026-07-28T01:05:44.000Z",
              "uid": "35240-25716147-39b5-4f36-9a4c-a5875d7a776d"
            },
            {
              "id": "395aa695-98ed-4e50-99b5-1552b74963a2",
              "name": "Bad request",
              "originalRequest": {
                "method": "POST",
                "header": [
                  {
                    "key": "Content-Type",
                    "value": "application/json"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "body": {
                  "mode": "raw",
                  "raw": "{\n  \"channel\": {\n    \"name\": \"<string>\"\n  },\n  \"product\": {\n    \"id\": \"<string>\"\n  },\n  \"amount\": {\n    \"units\": \"<number>\",\n    \"currency\": \"<string>\"\n  }\n}",
                  "options": {
                    "raw": {
                      "headerFamily": "json",
                      "language": "json"
                    }
                  }
                },
                "url": {
                  "raw": "{{baseUrl}}/topupBalance",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "topupBalance"
                  ]
                }
              },
              "status": "Bad Request",
              "code": 400,
              "_postman_previewlanguage": "json",
              "header": [
                {
                  "key": "Content-Type",
                  "value": "application/json"
                }
              ],
              "cookie": [],
              "responseTime": null,
              "body": "{\n  \"code\": \"<string>\",\n  \"reason\": \"<string>\",\n  \"message\": \"<string>\",\n  \"status\": \"<string>\"\n}",
              "createdAt": "2026-07-28T01:05:44.000Z",
              "updatedAt": "2026-07-28T01:05:44.000Z",
              "uid": "35240-395aa695-98ed-4e50-99b5-1552b74963a2"
            },
            {
              "id": "dd88caf5-3c1e-44b6-8891-6b0161e56215",
              "name": "Unauthorized",
              "originalRequest": {
                "method": "POST",
                "header": [
                  {
                    "key": "Content-Type",
                    "value": "application/json"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "body": {
                  "mode": "raw",
                  "raw": "{\n  \"channel\": {\n    \"name\": \"<string>\"\n  },\n  \"product\": {\n    \"id\": \"<string>\"\n  },\n  \"amount\": {\n    \"units\": \"<number>\",\n    \"currency\": \"<string>\"\n  }\n}",
                  "options": {
                    "raw": {
                      "headerFamily": "json",
                      "language": "json"
                    }
                  }
                },
                "url": {
                  "raw": "{{baseUrl}}/topupBalance",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "topupBalance"
                  ]
                }
              },
              "status": "Unauthorized",
              "code": 401,
              "_postman_previewlanguage": "json",
              "header": [
                {
                  "key": "Content-Type",
                  "value": "application/json"
                }
              ],
              "cookie": [],
              "responseTime": null,
              "body": "{\n  \"code\": \"<string>\",\n  \"reason\": \"<string>\",\n  \"message\": \"<string>\",\n  \"status\": \"<string>\"\n}",
              "createdAt": "2026-07-28T01:05:44.000Z",
              "updatedAt": "2026-07-28T01:05:44.000Z",
              "uid": "35240-dd88caf5-3c1e-44b6-8891-6b0161e56215"
            }
          ],
          "createdAt": "2026-07-28T01:05:44.000Z",
          "updatedAt": "2026-07-28T01:05:44.000Z",
          "uid": "35240-9af5ddb5-2de4-4a2a-b243-f7769ea62ea2"
        }
      ],
      "id": "4cbe989f-5a31-417d-b3ce-0f0b05f26c42",
      "createdAt": "2026-07-28T01:05:44.000Z",
      "updatedAt": "2026-07-28T01:05:44.000Z",
      "uid": "35240-4cbe989f-5a31-417d-b3ce-0f0b05f26c42"
    }
  ],
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://devex-web.att.com"
    }
  ]
}