curl --request POST \
  --url https://api.getsly.ai/v1/v1/ucp/orders/{id}/adjustments \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "discount",
  "amount": "<string>",
  "reason": "<string>"
}
'

{
  "data": {
    "id": "<string>",
    "type": "discount",
    "amount": "<string>",
    "reason": "<string>",
    "created_at": "2023-11-07T05:31:56Z"
  }
}