As we all know, members of the online shopping platform payments, merchant receivables mostly through a third party payment platform ( micro letter, Alipay, CUP ...) transactions, and a system of online shopping payment interface is also integrated diversified , such as: Alipay (PC site), Alipay (mobile site), micro-channel payment (scan code to pay), micro-channel pay (public No. pay), micro-channel payment (H5 payment), micro-channel payment (applets), CUP online payment, Paypal, quick money to pay, money it paid through, YeePay so on, through these third-party payment, can all aspects of shopping to meet the demand for clearing members.
Since the mall payment system interfaces are integrated third payment platform, as mall operators of payment mall setting, payment information, the configuration of APP ID, merchant number, and key do not know how to set paper by looking at Alipay, micro-channel pay setting key help documentation, combined with mall system back payment plug-in settings, respectively, for Alipay (PC site), Alipay (mobile site), micro-channel payment (scan code to pay), micro-channel payment (H5 payment), CUP 5 most popular online payment method of payment configuration instructions, hope can help you.
(A) Alipay (PC sites) set
Back into the mall system, Alipay (PC site) setting , as shown below:
. ① log Alipay open platform;
. ② enter Alipay "Developer Center", created according to the actual needs of the application, be acquired APP ID and submit the audit;
. ③ private developer of the application: generated by the developers themselves, Alipay platform provides a key generation tools for technology development (RSA signature verification tool), to facilitate the application developer to generate a private key (private key);
. ④ Alipay public: generated by the payment, Alipay platform provides a key generation tools for technology development (RSA signature verification tool), to facilitate the application developer to generate a public key (public key);
(B) Alipay (mobile site) settings
打开支付宝(手机网站)设置，如下图所示：
①.登录支付宝开放平台；
②.进入支付宝“开发者中心”，根据实际需求创建应用，进行APP ID的获取，并提交审核；
③.开发者应用私钥：由开发者自己生成，支付宝平台为技术开发人员提供一键生成工具(RSA签名验证工具)，便于开发者生成应用私钥（private key）；
④.支付宝公钥：由支付宝生成，支付宝平台为技术开发人员提供一键生成工具(RSA签名验证工具)，便于开发者生成应用公钥（public key）；
(三)微信(H5支付)设置
打开微信(H5支付)设置，如下图所示：
①.登录微信商户平台【产品中心->产品大全->我的产品->H5支付】，点击“申请开通”；
②.APP ID：在公众平台申请公众账号或者在开放平台申请APP账号后，微信会自动分配对应的app id，用于标识该应用；可在微信公众平台->开发->基本配置里面查看，另外商户的微信支付审核通过邮件中也会包含该字段值；
③.商户号：商户在微信公众平台或开放平台提交微信支付获取；
④.API密钥：微信商户平台->账户中心->账户设置->API安全->密钥设置；
(四)微信(扫码支付)设置
打开微信(扫码支付)设置，如下图所示：
①.登录微信公众号平台；
②.APP ID：在公众平台申请公众账号或者在开放平台申请APP账号后，微信会自动分配对应的app id，用于标识该应用；可在微信公众平台->开发->基本配置里面查看，商户的微信支付审核通过邮件中也会包含该字段值；
③.商户号：商户在微信公众平台或开放平台提交微信支付获取；
④.API密钥：微信商户平台->账户中心->账户设置->API安全->密钥设置；
(五)银联在线支付设置
进入银联在线支付方式设置，如下图所示：
①.登录银联开放服务平台，选择在线网关支付，点击"我要入网"；
②.商家编号获取：注册银联账号后登陆银联商户服务平台获取；
③.商家证书获取：签名证书直接从开发包中目录assets下获取；
以上是针对支付宝(电脑网站)、支付宝(手机网站)、微信支付(扫码支付)、微信支付(H5支付)、银联在线支付5种最常用的第三方支付方式配置说明。更多第三方支付，快钱、财付通、易宝、paypal等这里就不再介绍，大体的设置都差不多。还比如，微信还有公众号支付、小程序支付都在微信公众平台有说明，这里也不再详细介绍。