https://developers.weixin.qq.com/doc/offiaccount/WeChat_Invoice/Nontax_Bill/API_list.html#2.2

getbillauthurl接口一直返回{ errcode: 48001, errmsg: 'api unauthorized hint: [...]' }

获取获取财政局s_pappid的seturl接口可通并已拿到s_pappid

申请微信财政电子票据权限的邮件已按 https://developers.weixin.qq.com/doc/offiaccount/WeChat_Invoice/Nontax_Bill/Access.html 2.1中要求发送到wxfapiao@tencent.com