Retrieve all accounts you own

Example response

{
  "_embedded": [
    {
      "access_token": "myAccessToken",
      "api_key": "abcd1234",
      "applications": [
        "optionalApplicationId"
      ],
      "external_id": "12345678",
      "name": "optionalName",
      "provider": "whatsapp"
    }
  ],
  "_links": {
    "first": {
      "href": "https://api.nexmo.com/beta/chatapp-accounts?page_number=1&page_size=10"
    },
    "last": {
      "href": "https://api.nexmo.com/beta/chatapp-accounts?page_number=4&page_size=10"
    },
    "next": {
      "href": "https://api.nexmo.com/beta/chatapp-accounts?page_number=3&page_size=10"
    },
    "prev": {
      "href": "https://api.nexmo.com/beta/chatapp-accounts?page_number=1&page_size=10"
    },
    "self": {
      "href": "https://api.nexmo.com/beta/chatapp-accounts?page_number=1&page_size=10"
    }
  },
  "page_number": 1,
  "page_size": 10
}