curl --location --request POST 'https://open.douyin.com/api/apps/ecpay/v3/saas/add_merchant/' \
--header 'access-token;' \
--header 'Content-Type: application/json' \
--data-raw '{
"component_access_token": "08011210351",
"thirdparty_component_id": "ttc4a8b2155b82682f",
"url_type": 2,
"prod_id": 2
}'
{
"err_no": 0,
"err_msg": "string",
"log_id": "string",
"data": {
"merchant_id": "string",
"url": "string"
}
}