{"code":0,"msg":"Juheqi Payment Aggregator API","data":{"version":"1.0.0","endpoints":{"POST \/api\/pay\/create":"创建支付订单","POST \/api\/pay\/query":"查询订单状态","POST \/api\/pay\/notify":"支付回调","POST \/api\/pay\/refund":"退款","GET  \/api\/health":"健康检查"}}}