Skip to main content
POST
/
epay
/
submit.php
submit.php (redirect checkout compatibility endpoint)
curl --request POST \
  --url https://api.kyren.top/epay/submit.php \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data pid=merch_001 \
  --data type=alipay \
  --data out_trade_no=order_20260409001 \
  --data notify_url=https://merchant.example.com/pay/notify \
  --data return_url=https://merchant.example.com/pay/return \
  --data 'name=Pro Plan Subscription' \
  --data money=99.00 \
  --data money_type=CNY \
  --data param=user_42 \
  --data sign=fb7f5f742f89eb1f137fbc293f2bf42a \
  --data sign_type=MD5
{
  "code": 0,
  "msg": "签名验证失败"
}

Body

application/x-www-form-urlencoded
​
pid
string
required

Merchant ID

​
type
enum<string>
required

Payment channel type in Epay compatibility mode.

Available options:
alipay,
wxpay,
creditcard,
crypto,
paynow
​
out_trade_no
string
required

Merchant order number (must be unique under one merchant)

​
notify_url
string<uri>
required

Merchant async callback URL

​
return_url
string<uri>
required

Merchant sync return URL

​
name
string
required

Product name

​
money
string
required

Order amount, decimal string, must be greater than 0

​
sign
string
required

Lowercase MD5 signature

​
sign_type
enum<string>
required

Signature type. Current compatibility implementation only supports MD5.

Available options:
MD5
​
money_type
string
default:CNY

Currency code. Defaults to CNY when omitted.

​
param
string

Pass-through parameter returned in callbacks and order queries

Response

Request rejected (returns compatibility error body)

​
code
enum<integer>
Available options:
0
​
msg
string