curl --request GET \
  --url https://api.closebot.com/agency/billing/transactions \
  --header 'X-CB-KEY: <api-key>'

[
  {
    "id": 123,
    "status": "<string>",
    "description": "<string>",
    "amount": 123,
    "currency": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "receiptUrl": "<string>",
    "usage": {
      "startTime": "2023-11-07T05:31:56Z",
      "endTime": "2023-11-07T05:31:56Z",
      "responses": 123,
      "libraryBytes": 123,
      "users": 123,
      "responseCost": 123,
      "libraryCost": 123,
      "userCost": 123
    }
  }
]