curl --request GET \
  --url https://api.ledgerbeam.com/v1/chats/threads/{thread_id}/messages \
  --header 'API-KEY: <api-key>'

[
  {
    "id": "msg_abc123",
    "content": [
      {
        "type": 1,
        "value": "Here are your top customers...",
        "meta": {}
      }
    ],
    "role": "user",
    "meta": {}
  }
]