curl --request GET \
  --url http://localhost/api/v3/profiles/validation-rules/{profileValidationRule}/values/{value}

{
  "data": {
    "id": 123,
    "rule_id": 123,
    "value": "<string>",
    "is_active": true,
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}