curl --request GET \
  --url https://api.callaidan.com/contacts/{contact_id} \
  --header 'Authorization: <api-key>'

{
  "id": "<string>",
  "name": "<string>",
  "email": "<string>",
  "phone": "<string>",
  "tags": [
    "<string>"
  ],
  "last_activity": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "recent_activity": [
    {
      "id": "<string>",
      "agent_name": "<string>",
      "agent_id": "<string>",
      "type": "chatbot",
      "status": "<string>",
      "direction": "<string>",
      "duration": 123,
      "created_at": "2023-11-07T05:31:56Z"
    }
  ]
}