v3 退款接口文档
https://pay.weixin.qq.com/wiki/doc/api/wxpay/ch/fusion_wallet_ch/MiniProgramPay/chapter8_2.shtml#top
参数传的都没用问题
{
"appid": "wx6d******82",
"mchid": "1******3261",
"transaction_id": "42000******724",
"out_trade_no": "000009",
"out_refund_no": "aaaaaaaaa",
"amount": {
"refund": 1,
"total": 2,
"currency": "CNY"
},
"reason": "退款测试",
"notify_url": "https://3da873dd3c62.******/api/or"
}
就是报 参数错误
{
"code": "PARAM_ERROR",
"message": "参数格式错误",
"detail": {
"field": "#",
"issue": "缺少必填字段",
"location": "body"
}
}
POST /hk/v3/refunds HTTP/1.1 Authorization: WECHATPAY2-SHA256-RSA2048 mchid="1556223261",serial_no="443A8CDE502393C8CB686A8FB51680297F7AF902",nonce_str="1605163643553",timestamp="1605163644",signature="sVn50tYrLZX+OUe0pyjmYbNjwTa95VCi5Qv7U8zLVuoS5BariEUsH07AXr3hXxf2TFjMVeEaCcCiqOoZNPX4fFaEp7c1jxaHPkV5BkW6qifRnZWgSh1VCXuCXspE8fxXsmKnXufMizkS+O7oQdWuIgJ7WMhwhGtSuAqx9F4Kvc9N6/C5EYIg0KOhUTMzz4yvCEZG1VKBOBJKMx7LZzVxThauuEiTfgqUYNgC8jYNQSkOpd4Lc3qrHLNmvdO97KRAse3Dm5grWcYS4vWAp3U7VVaprsGFsXsj0dZzQbKfcXCE5ZvCh91uZQ/Emw7ckVmb6/X1jWw3FsQXZY66wCZ6GA==" Content-Type: application/json User-Agent: PostmanRuntime/7.26.8 Accept: */* Postman-Token: d26dc18f-18c2-411f-a43c-2ef0017471c9 Host: api.mch.weixin.qq.com Accept-Encoding: gzip, deflate, br Connection: keep-alive Content-Length: 386 { "appid": "wx61c7d3b8584331a2", "mchid": "1556223261", "transaction_id": "4200000737202011104173724549", "out_trade_no": "000009", "out_refund_no": "aaaaaaaaa", "amount": { "refund": 1, "total": 2, "currency": "CNY" }, "reason": "退款测试", "notify_url": "https://3da873dd3c62.ngrok.io/api/orders/callback" } HTTP/1.1 400 Bad Request Server: nginx Date: Thu, 12 Nov 2020 06:47:24 GMT Content-Type: application/json; charset=utf-8 Content-Length: 123 Connection: keep-alive Keep-Alive: timeout=8 Request-ID: 1bdf776d-62ef-5b7d-b03d-a0182de5c1dd Wechatpay-Nonce: 3d8b5b82515e4bcbecbdd5a060f53d07 Wechatpay-Signature: kxS7e9m3OdA1sLHXNpAT7BFXZ8sCAquF/pbBBJe0d3HMTpr9HiTgQlr6GjPz+xFg6IWWYyehqKsGXMzvWMOl0RZynxztJY41R9DNmqQJqxYEkMQSHv/XCBx23EhJyWjKoU3Hq0z7a3Yd3wr5+Q+mrlhdFeVsBNVjVCZMLdMV/9F/govJw3qwfI4mC5S/cB+QWk1NdK6qo74peZSXGqp9hwQxI0Q6ryhXZHzwfbC2np2077avd8ykN/kqUjsbgeSiSyX3tK7se3NUPSekWCqXxniPxYSIPrU3EG179XTokpQyNNG+zEf1ptKItrkgzFzBF44azU/+FcMR3kEhkBnNSQ== Wechatpay-Timestamp: 1605163644 Wechatpay-Serial: 38CECCD13A15C42F75FBA65CA1E7C8F20CFF104D Cache-Control: no-cache, must-revalidate Content-Language: zh-CN {"code":"PARAM_ERROR","message":"参数格式错误","detail":{"field":"#","issue":"缺少必填字段","location":"body"}}你好，麻烦提供下完整的请求参数。
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