首先能肯定的是，appid 和 openid 是配套的。

请求报文：

{
	"data": [
		{
			"name": "first",
			"value": "张三"
		},
		{
			"color": "blue",
			"name": "keyword1",
			"value": "李四"
		},
		{
			"color": "blue",
			"name": "keyword2",
			"value": "2021-01-10"
		},
		{
			"color": "red",
			"name": "remark",
			"value": "提交一条咨询信息，请及时处理！"
		}
	],
	"miniProgram": {
		"appid": "wx0ba70a624fbfe5ed",
		"usePath": false
	},
	"templateId": "twwhMBslhT8-Dz-12fAXgeNrLMPLuJT4aDXhBwMVHrac",
	"toUser": "o2rvV5w5ftL0iOWXworiEtMQoiD0",
	"url": " "
}

https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Template_Message_Interface.html