curl --location 'https://developer.salesmartly.com/api/v2/visitor-label/value/create' \
--header 'external-sign;' \
--form 'project_id=""' \
--form 'label_id=""' \
--form 'value_name=""' \
--form 'sort="0"'{
"code": 0,
"msg": "success",
"request_id": "string",
"data": {
"id": 0
}
}