curl --request GET \
  --url https://api.upon-ai.com/api/chats \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "chatId": "<string>",
      "agentId": "<string>",
      "version": 123,
      "status": "<string>",
      "type": "web_chat",
      "metadata": {},
      "customAttributes": {},
      "startedAt": "2023-11-07T05:31:56Z",
      "endedAt": "2023-11-07T05:31:56Z",
      "transcript": "<string>",
      "messages": [
        {
          "content": "<string>",
          "name": "<string>",
          "tool_calls": [
            {}
          ]
        }
      ],
      "chatCost": {},
      "chatAnalysis": {},
      "collectedDynamicVariables": {},
      "uponai_dynamic_variables": {},
      "overrideDynamicVariables": {}
    }
  ],
  "pagination_key": "<string>"
}