发DING有这几种方式:
1、客户端接口、只支持应用ding
https://open.dingtalk.com/document/orgapp/jsapi-create-ding
2、可以发送应用内DING、短信DING、电话DING,但是需要是自建应用。需要是专业版.专属版,并有OpenAPI发DING额度
https://open.dingtalk.com/document/orgapp/robot-sends-nail-message
3、专属DING服务中设置的互动服务窗来发送应用内DING
https://open.dingtalk.com/document/orgapp/send-in-application-ding