curl --request POST \
  --url https://api.ai2fin.com/api/intelligent-categorization/unified/tax \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "transactions": [
    {}
  ],
  "userProfile": {}
}'

{
  "success": true,
  "data": {}
}