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

{
  "items": [
    {
      "type": "credits",
      "amountCents": 1,
      "createdAt": "2023-11-07T05:31:56Z",
      "expiresAt": "2023-11-07T05:31:56Z"
    }
  ]
}