https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/subscribe-message/subscribeMessage.send.html 模板配置  

https请求接口

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

参数如下

{
    "access_token": "28_SXQACqtKY01mhkmu_Y_YzVt3CisMW5bLpXLCHD3seIH4rI-NAQz4ZER0HfmFYLEAM2tYApAWsmYQcnWfj7WYdhh8no6rI2OW6N8VhZj8XfwuUTG0wM9p785uTqxxi1s77ZE0emAKkef_EhQWIPNfAJARYW", 
    "touser": "o1Hha5HRL7FXno3Usah-Izsn5VAo", 
    "template_id": "YnhlWB_gwbx3j0UUrQrgMJV_uZLWzavJRjmTAPXg5co", 
    "page": "index", 
    "data": {
        "name1": {
            "value": "夏超chao"
        }, 
        "thing5": {
            "value": "订餐截至时间提醒"
        }, 
        "data3": {
            "value": "2019-12-13 17:30:00"
        }
    }}

access_token  是刚生成的  有效期内

返回错误

{

    "errcode": 40001,

    "errmsg": "invalid credential, access_token is invalid or not latest hints: [bHFFmuPnRa-g3yteA!]"

}