请问大佬们【发送订阅消息】这个接口有调用频次限制么？找了好多地方都没找到

注：不是总量，是频次

-----------------

接口地址如下：

POST https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=ACCESS_TOKEN 

https://https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-message-management/subscribe-message/sendMessage.html