{
"product_id": 0
}
curl --location --request POST 'https://testapi.666visa.cn/openvisa/product_earliest_depart_date_query' \
--header 'Content-Type: application/json' \
--data-raw '{
"product_id": 0
}'
{
"ret": 0,
"body": {
"earliest_depart_date": "string"
}
}