antopen 

支付宝开放平台官方SDK，基于.Net Standard 2.0开发，支持.Net Framework 4.6.1、.Net Core 2.0及其以上版本。

支付宝开放平台官方SDK，支持.Net Framework 3.5(SP1)及其以上版本。

Alipay Easy SDK for .NET allows you to enjoy a minimalist programming experience and quickly access the various high-frequency capabilities of the Alipay Open Platform.

Alipay Easy SDK for .NET allows you to enjoy a minimalist programming experience and quickly access the various high-frequency capabilities of the Alipay Open Platform.

BouncyCastle for .NetFramework 将官方源码master分支最新代码（https://github.com/bcgit/bc-csharp/tree/master）打包发布。 原有官方打包的BouncyCastle 1.8.5中没有包括最新mater代码，不支持国密证书部分操作。

Alipay openapi3.0 SDK for .net