[图片]

https://api.mch.weixin.qq.com/v3/facemch/users/bbaf113f-4171-4332-9c79-dace6d35a917 微信公众号appid：wx8bee91911de49258 openId：oDAMCs9PtRsqtCRuB5rmAvqV1zI8 刷脸获取到的 token：bbaf113f-4171-4332-9c79-dace6d35a9 {"code":"INVALID_REQUEST","message":"UnionID为空"} [图片]

刷脸支付获取unionid提示{"code":"INVALID_REQUEST","message":"UnionID为空"}

https://api.mch.weixin.qq.com/v3/facemch/users/bbaf113f-4171-4332-9c79-dace6d35a917 微信公众号appid：wx8bee91911de49258 openId：oDAMCs9PtRsqtCRuB5rmAvqV1zI8 刷脸获取到的 token：bbaf113f-4171-4332-9c79-dace6d35a9 {"code":"INVALID_REQUEST","message":"UnionID为空"} [图片]

https://api.mch.weixin.qq.com/v3/facemch/users/bbaf113f-4171-4332-9c79-dace6d35a917 微信公众号appid：wx8bee91911de49258 openId：oDAMCs9PtRsqtCRuB5rmAvqV1zI8 刷脸获取到的 token：bbaf113f-4171-4332-9c79-dace6d35a9 {"code":"INVALID_REQUEST","message":"UnionID为空"} [图片]

为什么返回unionID为空?[图片]

调取接口 获取unionid 返回{"code":"INVALID_REQUEST","message":"UnionID为空"}

https://api.mch.weixin.qq.com/v3/facemch/users/bbaf113f-4171-4332-9c79-dace6d35a917 微信公众号appid：wx8bee91911de49258 openId：oDAMCs9PtRsqtCRuB5rmAvqV1zI8 刷脸获取到的 token：bbaf113f-4171-4332-9c79-dace6d35a9 {"code":"INVALID_REQUEST","message":"UnionID为空"} [图片]

我在刷脸设备上用刷脸支付成功后能否默认关注公众号

例如在微信公众平台上制了满100减5元的优惠券，通过各种渠道投放出去，我们在后台可以利用api将code核销掉。 我们实际运用中 是想在刷脸支付的时候，能不能直接自动拉取核销卡劵的功能？ 还有微信支付平台创建的满减券和这个有什么区别？