支付宝,分国内版和国际版,
国内版:须国内企业申请接入。地址:[https://developers.alipay.com/developmentAccess/developmentAccess.htm](https://developers.alipay.com/developmentAccess/developmentAccess.htm)
国际版:支持美元等外币支付结算,目前只限国外企业开放申请,官方地址:[https://global.alipay.com/](https://global.alipay.com/)