curl --request GET \
  --url https://chat.zoko.io/v2/customer \
  --header 'apikey: <api-key>'

{
  "currentPage": 123,
  "pageSize": 123,
  "totalPages": 123,
  "totalCustomers": 123,
  "customers": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "channel": "<string>",
      "channelId": "<string>",
      "lastIncomingMessageAt": 123,
      "contactable": true,
      "assignment": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "email": "<string>",
        "team": true
      }
    }
  ]
}