Call this api to create order and get param string for SDK calling. Call SDK api with the param to start payment and get payment result from Wechat app *It is strongly advised to request RoyalPay order query Api to confirm that the order has been paid in order to cancelling order by system at the same time.*
<img src="img/sdk_wechat_api_payment_en.png">
More information for integration with Alipay:[Alipay SDK Document](https://global.alipay.com/doc/app/intro)
More information for integration with Alipay:[Wechat SDK Document](https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=11_1)
More information for integration with Wechat:[Wechat SDK Document](https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=11_1)
[Alipay SDK for Android](resources/api/alipaySdk-20160825.jar)
[Alipay SDK for iOS](resources/api/AlipaySDKForiOS.zip)
[Wechat SDK for Android](https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list&t=resource/res_list&verify=1&id=open1419319167&token=&lang=zh_CN)