curl --request PATCH \
  --url https://api.gameboost.com/v2/account-offers/{account}/credentials/{credential} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "credentials": "Login: updateduser\nPassword: newpass123"
}
'

{
  "data": {
    "id": 123,
    "credentials": "<string>",
    "account_offer_id": 123,
    "account_order_id": 123,
    "is_sold": true,
    "created_at": 123,
    "updated_at": 123
  }
}