Request params

{"dateTime":"20230530105500","merchantCode":"S820240528155321000001","redirectUrl":"https://www.redirect.com","method":"2418","productDetail":"Test","orderNum":"T1717500467297","expiryPeriod":"4320","payRemark":"Test","custCard":"12222","payMoney":"30000","phone":"1234567891","name":"Test Play","notifyUrl":"https://www.callback.com","currency":"uzs","email":"[email protected]"}

Calculate the string to be encrypted

uzs1222220230530105500workallday@fk.all4320S8202405281553210000012418Test Playhttps://www.callback.comT171750046729730000Test1234567891Testhttps://www.redirect.com

The final sent

{"dateTime":"20230530105500","merchantCode":"S820240528155321000001","redirectUrl":"https://www.redirect.com","method":"2418","productDetail":"Test","sign":"WqWB2YZiBhm4t9Wut7QWdM4lScKwi8zYzF5ESNNE+6e2LaxvwfOdYs58pVbPhb4ZzKzV+nuQWHHtgEJMGbJcohKLVXTQ/wXtWeGk1EPGIrJTswAhjhnE0efPGtc6FcD900yDRWSG3ndnAQ3HnrE7SoWl34L58RBD92ta/5UsXcEZFb4AQVcBsU9uv4IiUd6QWXSoilHzw7ny1SExC9JAfP1FCOAhcsf9R+pLFPR2oaFbiNbAKmlbF95WcWbMXWZOhB+RMrrv/5JXHCyCyDcTguvubwbxFdYcRy+Z3+32Zg2/FuhNLMsBI3NnpyxnJqLq5ncFnAFpY+jx7zPo9TqxGg==","orderNum":"T1717500467297","expiryPeriod":"4320","payRemark":"Test","custCard":"12222","payMoney":"30000","phone":"1234567891","name":"Test Play","notifyUrl":"https://www.callback.com","currency":"uzs","email":"[email protected]"}