diff --git a/docs/reference/xlang-api/dotnet-api.md b/docs/reference/xlang-api/dotnet-api.md
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@@ -0,0 +1,24 @@
+---
+sidebar_position: 5
+---
+
+# .NET API
+
+## Installation
+
+```shell
+dotnet add package KclLib
+```
+
+## Quick Start
+
+```typescript
+using KclLib.API;
+
+var api = new API();
+var execArgs = new ExecProgram_Args();
+var path = Path.Combine("test_data", "schema.k");
+execArgs.KFilenameList.Add(path);
+var result = api.ExecProgram(execArgs);
+Console.WriteLine(result.YamlResult);
+```
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/xlang-api/dotnet-api.md b/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/xlang-api/dotnet-api.md
new file mode 100644
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--- /dev/null
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/xlang-api/dotnet-api.md
@@ -0,0 +1,24 @@
+---
+sidebar_position: 5
+---
+
+# .NET API
+
+## 添加依赖
+
+```shell
+dotnet add package KclLib
+```
+
+## 快速开始
+
+```typescript
+using KclLib.API;
+
+var api = new API();
+var execArgs = new ExecProgram_Args();
+var path = Path.Combine("test_data", "schema.k");
+execArgs.KFilenameList.Add(path);
+var result = api.ExecProgram(execArgs);
+Console.WriteLine(result.YamlResult);
+```
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.9/reference/xlang-api/dotnet-api.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.9/reference/xlang-api/dotnet-api.md
new file mode 100644
index 000000000..bfabfedba
--- /dev/null
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.9/reference/xlang-api/dotnet-api.md
@@ -0,0 +1,24 @@
+---
+sidebar_position: 5
+---
+
+# .NET API
+
+## 添加依赖
+
+```shell
+dotnet add package KclLib
+```
+
+## 快速开始
+
+```typescript
+using KclLib.API;
+
+var api = new API();
+var execArgs = new ExecProgram_Args();
+var path = Path.Combine("test_data", "schema.k");
+execArgs.KFilenameList.Add(path);
+var result = api.ExecProgram(execArgs);
+Console.WriteLine(result.YamlResult);
+```
diff --git a/versioned_docs/version-0.9/reference/xlang-api/dotnet-api.md b/versioned_docs/version-0.9/reference/xlang-api/dotnet-api.md
new file mode 100644
index 000000000..3de5fb4ec
--- /dev/null
+++ b/versioned_docs/version-0.9/reference/xlang-api/dotnet-api.md
@@ -0,0 +1,24 @@
+---
+sidebar_position: 5
+---
+
+# .NET API
+
+## Installation
+
+```shell
+dotnet add package KclLib
+```
+
+## Quick Start
+
+```typescript
+using KclLib.API;
+
+var api = new API();
+var execArgs = new ExecProgram_Args();
+var path = Path.Combine("test_data", "schema.k");
+execArgs.KFilenameList.Add(path);
+var result = api.ExecProgram(execArgs);
+Console.WriteLine(result.YamlResult);
+```