curl --request POST \
  --url https://sandbox.hurdlr.com/rest/v5/templates/expenses/rules \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: */*' \
  --data '
{
  "rules": [
    {
      "transactionName": "<string>",
      "vendorName": "<string>",
      "id": 123,
      "categoryName": "<string>",
      "personalCategoryName": "<string>"
    }
  ],
  "applyToExistingUsers": true
}
'

[
  {
    "errors": {
      "fieldErrors": {},
      "globalErrors": [
        {
          "errorMessage": "<string>"
        }
      ]
    },
    "id": "<string>",
    "webhook": {
      "userId": "<string>",
      "accountantUserId": "<string>"
    }
  }
]