1.token获取：

https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx3a67f98f20ac064f&secret=XXXXXXXXXXXX

2.发送消息

https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=97_yvAeBe8p8IlgAJuhYMQGb1tqKJNDNB9xcWHfQV3J-XkPtU53p55tl4-Soxhxy3Ht4-T08udX4zgB4F26gdMol0LhQ5Z1Ba4rkUY1hY4xpQxphqym7cpTf0LgJFkUFCaAIAGRO

入参：

{

    "receiveUser": [

        {

            "BizGUID": "08de106a-e4fc-4b6b-8ae6-14760d98caa4",

            "BizType": "合同协议",

            "BizTypeEnum": 1,

            "Sequnce": 1,

            "UserGUID": "2d45b54a-4c17-41c4-b50b-08d9d99a8d67",

            "OpenGUID": "o12PJ4p-zp2hIPEGoWc0zGZc1z78",

            "UserName": "伍先生",

            "UserType": "审批人",

            "UserTypeEnum": 3,

            "AgtBizUserGUID": "08de106a-e95a-4f0b-89e0-b7821843a27d"

        },

        {

            "BizGUID": "08de106a-e4fc-4b6b-8ae6-14760d98caa4",

            "BizType": "合同协议",

            "BizTypeEnum": 1,

            "Sequnce": 2,

            "UserGUID": "594c3db7-aa6e-4aff-b747-08d9d99a8d67",

            "OpenGUID": "o12PJ4oGMnWNGJ0aD7oqumZW5Ou8",

            "UserName": "朱女士",

            "UserType": "审批人",

            "UserTypeEnum": 3,

            "AgtBizUserGUID": "08de106a-e95a-4f5c-85f8-6d4394f2f941"

        }

    ],

    "touser": "o12PJ4oGMnWNGJ0aD7oqumZW5Ou8",

    "template_id": "OZDuy_bsS-I1BhKkM2s-6RIbtCTyx8BvLKaHU_1RUi8",

    "page": "pages/bizUnit/receipt/receiptDetails?AgreementGUID=08de106a-e4fc-4b6b-8ae6-14760d98caa4&isBack=false",

    "miniprogram_state": "formal",

    "lang": "zh_CN",

    "data": {

        "name1": {

            "value": "系统管理员"

        },

        "thing6": {

            "value": "发起审批"

        },

        "thing10": {

            "value": "收据"

        },

        "time2": {

            "value": "2025-10-21 14:27:52"

        }

    }

}

返回：

{

    "errcode": 40003,

    "errmsg": "invalid openid rid: 68f727e8-3385cfd1-1c43a2e3"

}

20251104问题已解决，

原因是：本次小程序是做新客户移植，原来小程序id与ERP用户关联表存储的openid是旧小程序里保存的记录。

删除历史数据，因为小程序登录的时候，系统业务逻辑会自动识别如果没有当前用户关联记录，则会刷新最新的openid到关联表，然后后续发送的功能，使用最新的openid方可正常。

多谢专家们指导！

{

    "errcode": 0,

    "errmsg": "ok",

    "msgid": 4238829888108871700

}