curl --request GET \
  --url https://ninjachat.ai/api/api-keys/transactions \
  --header 'Authorization: Bearer <token>'

{
  "transactions": [
    {
      "amount": "$25.00",
      "amountCents": 2500,
      "type": "credit_purchase",
      "status": "completed",
      "timestamp": "2023-11-07T05:31:56Z"
    }
  ],
  "pagination": {
    "total": 123,
    "limit": 123,
    "offset": 123,
    "hasMore": true
  }
}