diff --git a/docs/reference/xlang-api/nodejs-api.md b/docs/reference/xlang-api/nodejs-api.md
index a16f58b14..400f39f46 100644
--- a/docs/reference/xlang-api/nodejs-api.md
+++ b/docs/reference/xlang-api/nodejs-api.md
@@ -22,3 +22,598 @@ function main() {
 
 main();
 ```
+
+## API Reference
+
+### execProgram
+
+Execute KCL file with arguments and return the JSON/YAML result.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+const result = execProgram(new ExecProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+A case with the file not found error
+
+<details><summary>Example</summary>
+<p>
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+try {
+  const result = execProgram(new ExecProgramArgs(["file_not_found.k"]));
+} catch (error) {
+  console.log(error.message);
+}
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### parseFile
+
+Parse KCL single file to Module AST JSON string with import dependencies and parse errors.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseFile, ParseFileArgs } from "kcl-lib";
+
+const result = parseFile(new ParseFileArgs("schema.k"));
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### loadPackage
+
+loadPackage provides users with the ability to parse KCL program and semantic model information including symbols, types, definitions, etc.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { loadPackage, LoadPackageArgs } from "kcl-lib";
+
+const result = loadPackage(new LoadPackageArgs(["schema.k"], [], true));
+```
+
+</p>
+</details>
+
+### listVariable
+
+listVariables provides users with the ability to parse KCL program and get all variables by specs.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { listVariables, ListVariablesArgs } from "kcl-lib";
+
+const result = listVariables(new ListVariablesArgs(["schema.k"], []));
+```
+
+</p>
+</details>
+
+### listOptions
+
+listOptions provides users with the ability to parse KCL program and get all option information.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `options.k` is
+
+```python
+a = option("key1")
+b = option("key2", required=True)
+c = {
+    metadata.key = option("metadata-key")
+}
+```
+
+Node.js Code
+
+```ts
+import { listOptions, ListOptionsArgs } from "kcl-lib";
+
+const result = listOptions(new ListOptionsArgs(["options.k"]));
+```
+
+</p>
+</details>
+
+### getSchemaTypeMapping
+
+Get schema type mapping defined in the program.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { getSchemaTypeMapping, GetSchemaTypeMappingArgs } from "kcl-lib";
+
+const result = getSchemaTypeMapping(new GetSchemaTypeMappingArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### overrideFile
+
+Override KCL file with arguments. See [https://www.kcl-lang.io/docs/user_docs/guides/automation](https://www.kcl-lang.io/docs/user_docs/guides/automation) for more override spec guide.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {replicas: 4}
+```
+
+Node.js Code
+
+```ts
+import { overrideFile, OverrideFileArgs } from "kcl-lib";
+
+const result = overrideFile(
+  new OverrideFileArgs("main.k", ["app.replicas=4"], [])
+);
+```
+
+</p>
+</details>
+
+### formatCode
+
+Format the code source.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { formatCode, FormatCodeArgs } from "kcl-lib";
+
+const schemaCode = `
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+`;
+const result = formatCode(new FormatCodeArgs(schemaCode));
+console.log(result.formatted);
+```
+
+</p>
+</details>
+
+### formatPath
+
+Format KCL file or directory path contains KCL files and returns the changed file paths.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `format_path.k` is
+
+```python
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+```
+
+Node.js Code
+
+```ts
+import { formatPath, FormatPathArgs } from "kcl-lib";
+
+const result = formatPath(new FormatPathArgs("format_path.k"));
+```
+
+</p>
+</details>
+
+### lintPath
+
+Lint files and return error messages including errors and warnings.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `lint_path.k` is
+
+```python
+import math
+
+a = 1
+```
+
+Node.js Code
+
+```ts
+import { lintPath, LintPathArgs } from "kcl-lib";
+
+const result = lintPath(new LintPathArgs(["lint_path.k"]));
+```
+
+</p>
+</details>
+
+### validateCode
+
+Validate code using schema and JSON/YAML data strings.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { validateCode, ValidateCodeArgs } from "kcl-lib";
+
+const code = `
+schema Person:
+    name: str
+    age: int
+
+    check:
+        0 < age < 120
+`;
+const data = '{"name": "Alice", "age": 10}';
+const result = validateCode(
+  new ValidateCodeArgs(undefined, data, undefined, code)
+);
+```
+
+</p>
+</details>
+
+### rename
+
+Rename all the occurrences of the target symbol in the files. This API will rewrite files if they contain symbols to be renamed. Return the file paths that got changed.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+a = 1
+b = a
+```
+
+Node.js Code
+
+```ts
+import { rename, RenameArgs } from "kcl-lib";
+
+const args = new RenameArgs(".", "a", ["main.k"], "a2");
+const result = rename(args);
+```
+
+</p>
+</details>
+
+### renameCode
+
+Rename all the occurrences of the target symbol and return the modified code if any code has been changed. This API won't rewrite files but return the changed code.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { renameCode, RenameCodeArgs } from "kcl-lib";
+
+const args = RenameCodeArgs(
+  "/mock/path",
+  "a",
+  { "/mock/path/main.k": "a = 1\nb = a" },
+  "a2"
+);
+const result = renameCode(args);
+```
+
+</p>
+</details>
+
+### test
+
+Test KCL packages with test arguments.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { test as kclTest, TestArgs } from "kcl-lib";
+
+const result = kclTest(new TestArgs(["/path/to/test/module/..."]));
+```
+
+</p>
+</details>
+
+### loadSettingsFiles
+
+Load the setting file config defined in `kcl.yaml`
+
+<details><summary>Example</summary>
+<p>
+
+The content of `kcl.yaml` is
+
+```yaml
+kcl_cli_configs:
+  strict_range_check: true
+kcl_options:
+  - key: key
+    value: value
+```
+
+Node.js Code
+
+```ts
+import { loadSettingsFiles, LoadSettingsFilesArgs } from "kcl-lib";
+
+const result = loadSettingsFiles(new LoadSettingsFilesArgs(".", ["kcl.yaml"]));
+```
+
+</p>
+</details>
+
+### updateDependencies
+
+Download and update dependencies defined in the `kcl.mod` file and return the external package name and location list.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+Node.js Code
+
+```ts
+import { updateDependencies, UpdateDependenciesArgs } from "kcl-lib";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+```
+
+</p>
+</details>
+
+Call `execProgram` with external dependencies
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+The content of `module/main.k` is
+
+```python
+import helloworld
+import flask
+
+a = helloworld.The_first_kcl_program
+```
+
+Node.js Code
+
+```ts
+import {
+  execProgram,
+  ExecProgramArgs,
+  updateDependencies,
+  UpdateDependenciesArgs,
+} from "../index.js";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+const execResult = execProgram(
+  new ExecProgramArgs(
+    ["module/main.k"],
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    result.externalPkgs
+  )
+);
+```
+
+</p>
+</details>
+
+### getVersion
+
+Return the KCL service version information.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { getVersion } from "../index.js";
+
+const result = getVersion();
+console.log(result.versionInfo);
+```
+
+</p>
+</details>
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/xlang-api/nodejs-api.md b/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/xlang-api/nodejs-api.md
index cf9ccbc42..c87a19caf 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/xlang-api/nodejs-api.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/xlang-api/nodejs-api.md
@@ -22,3 +22,598 @@ function main() {
 
 main();
 ```
+
+## API 参考
+
+### execProgram
+
+Execute KCL file with arguments and return the JSON/YAML result.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+const result = execProgram(new ExecProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+A case with the file not found error
+
+<details><summary>Example</summary>
+<p>
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+try {
+  const result = execProgram(new ExecProgramArgs(["file_not_found.k"]));
+} catch (error) {
+  console.log(error.message);
+}
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### parseFile
+
+Parse KCL single file to Module AST JSON string with import dependencies and parse errors.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseFile, ParseFileArgs } from "kcl-lib";
+
+const result = parseFile(new ParseFileArgs("schema.k"));
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### loadPackage
+
+loadPackage provides users with the ability to parse KCL program and semantic model information including symbols, types, definitions, etc.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { loadPackage, LoadPackageArgs } from "kcl-lib";
+
+const result = loadPackage(new LoadPackageArgs(["schema.k"], [], true));
+```
+
+</p>
+</details>
+
+### listVariable
+
+listVariables provides users with the ability to parse KCL program and get all variables by specs.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { listVariables, ListVariablesArgs } from "kcl-lib";
+
+const result = listVariables(new ListVariablesArgs(["schema.k"], []));
+```
+
+</p>
+</details>
+
+### listOptions
+
+listOptions provides users with the ability to parse KCL program and get all option information.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `options.k` is
+
+```python
+a = option("key1")
+b = option("key2", required=True)
+c = {
+    metadata.key = option("metadata-key")
+}
+```
+
+Node.js Code
+
+```ts
+import { listOptions, ListOptionsArgs } from "kcl-lib";
+
+const result = listOptions(new ListOptionsArgs(["options.k"]));
+```
+
+</p>
+</details>
+
+### getSchemaTypeMapping
+
+Get schema type mapping defined in the program.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { getSchemaTypeMapping, GetSchemaTypeMappingArgs } from "kcl-lib";
+
+const result = getSchemaTypeMapping(new GetSchemaTypeMappingArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### overrideFile
+
+Override KCL file with arguments. See [https://www.kcl-lang.io/docs/user_docs/guides/automation](https://www.kcl-lang.io/docs/user_docs/guides/automation) for more override spec guide.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {replicas: 4}
+```
+
+Node.js Code
+
+```ts
+import { overrideFile, OverrideFileArgs } from "kcl-lib";
+
+const result = overrideFile(
+  new OverrideFileArgs("main.k", ["app.replicas=4"], [])
+);
+```
+
+</p>
+</details>
+
+### formatCode
+
+Format the code source.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { formatCode, FormatCodeArgs } from "kcl-lib";
+
+const schemaCode = `
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+`;
+const result = formatCode(new FormatCodeArgs(schemaCode));
+console.log(result.formatted);
+```
+
+</p>
+</details>
+
+### formatPath
+
+Format KCL file or directory path contains KCL files and returns the changed file paths.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `format_path.k` is
+
+```python
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+```
+
+Node.js Code
+
+```ts
+import { formatPath, FormatPathArgs } from "kcl-lib";
+
+const result = formatPath(new FormatPathArgs("format_path.k"));
+```
+
+</p>
+</details>
+
+### lintPath
+
+Lint files and return error messages including errors and warnings.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `lint_path.k` is
+
+```python
+import math
+
+a = 1
+```
+
+Node.js Code
+
+```ts
+import { lintPath, LintPathArgs } from "kcl-lib";
+
+const result = lintPath(new LintPathArgs(["lint_path.k"]));
+```
+
+</p>
+</details>
+
+### validateCode
+
+Validate code using schema and JSON/YAML data strings.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { validateCode, ValidateCodeArgs } from "kcl-lib";
+
+const code = `
+schema Person:
+    name: str
+    age: int
+
+    check:
+        0 < age < 120
+`;
+const data = '{"name": "Alice", "age": 10}';
+const result = validateCode(
+  new ValidateCodeArgs(undefined, data, undefined, code)
+);
+```
+
+</p>
+</details>
+
+### rename
+
+Rename all the occurrences of the target symbol in the files. This API will rewrite files if they contain symbols to be renamed. Return the file paths that got changed.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+a = 1
+b = a
+```
+
+Node.js Code
+
+```ts
+import { rename, RenameArgs } from "kcl-lib";
+
+const args = new RenameArgs(".", "a", ["main.k"], "a2");
+const result = rename(args);
+```
+
+</p>
+</details>
+
+### renameCode
+
+Rename all the occurrences of the target symbol and return the modified code if any code has been changed. This API won't rewrite files but return the changed code.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { renameCode, RenameCodeArgs } from "kcl-lib";
+
+const args = RenameCodeArgs(
+  "/mock/path",
+  "a",
+  { "/mock/path/main.k": "a = 1\nb = a" },
+  "a2"
+);
+const result = renameCode(args);
+```
+
+</p>
+</details>
+
+### test
+
+Test KCL packages with test arguments.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { test as kclTest, TestArgs } from "kcl-lib";
+
+const result = kclTest(new TestArgs(["/path/to/test/module/..."]));
+```
+
+</p>
+</details>
+
+### loadSettingsFiles
+
+Load the setting file config defined in `kcl.yaml`
+
+<details><summary>Example</summary>
+<p>
+
+The content of `kcl.yaml` is
+
+```yaml
+kcl_cli_configs:
+  strict_range_check: true
+kcl_options:
+  - key: key
+    value: value
+```
+
+Node.js Code
+
+```ts
+import { loadSettingsFiles, LoadSettingsFilesArgs } from "kcl-lib";
+
+const result = loadSettingsFiles(new LoadSettingsFilesArgs(".", ["kcl.yaml"]));
+```
+
+</p>
+</details>
+
+### updateDependencies
+
+Download and update dependencies defined in the `kcl.mod` file and return the external package name and location list.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+Node.js Code
+
+```ts
+import { updateDependencies, UpdateDependenciesArgs } from "kcl-lib";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+```
+
+</p>
+</details>
+
+Call `execProgram` with external dependencies
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+The content of `module/main.k` is
+
+```python
+import helloworld
+import flask
+
+a = helloworld.The_first_kcl_program
+```
+
+Node.js Code
+
+```ts
+import {
+  execProgram,
+  ExecProgramArgs,
+  updateDependencies,
+  UpdateDependenciesArgs,
+} from "../index.js";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+const execResult = execProgram(
+  new ExecProgramArgs(
+    ["module/main.k"],
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    result.externalPkgs
+  )
+);
+```
+
+</p>
+</details>
+
+### getVersion
+
+Return the KCL service version information.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { getVersion } from "../index.js";
+
+const result = getVersion();
+console.log(result.versionInfo);
+```
+
+</p>
+</details>
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.9/reference/xlang-api/nodejs-api.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.9/reference/xlang-api/nodejs-api.md
index cf9ccbc42..c87a19caf 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.9/reference/xlang-api/nodejs-api.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.9/reference/xlang-api/nodejs-api.md
@@ -22,3 +22,598 @@ function main() {
 
 main();
 ```
+
+## API 参考
+
+### execProgram
+
+Execute KCL file with arguments and return the JSON/YAML result.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+const result = execProgram(new ExecProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+A case with the file not found error
+
+<details><summary>Example</summary>
+<p>
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+try {
+  const result = execProgram(new ExecProgramArgs(["file_not_found.k"]));
+} catch (error) {
+  console.log(error.message);
+}
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### parseFile
+
+Parse KCL single file to Module AST JSON string with import dependencies and parse errors.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseFile, ParseFileArgs } from "kcl-lib";
+
+const result = parseFile(new ParseFileArgs("schema.k"));
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### loadPackage
+
+loadPackage provides users with the ability to parse KCL program and semantic model information including symbols, types, definitions, etc.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { loadPackage, LoadPackageArgs } from "kcl-lib";
+
+const result = loadPackage(new LoadPackageArgs(["schema.k"], [], true));
+```
+
+</p>
+</details>
+
+### listVariable
+
+listVariables provides users with the ability to parse KCL program and get all variables by specs.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { listVariables, ListVariablesArgs } from "kcl-lib";
+
+const result = listVariables(new ListVariablesArgs(["schema.k"], []));
+```
+
+</p>
+</details>
+
+### listOptions
+
+listOptions provides users with the ability to parse KCL program and get all option information.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `options.k` is
+
+```python
+a = option("key1")
+b = option("key2", required=True)
+c = {
+    metadata.key = option("metadata-key")
+}
+```
+
+Node.js Code
+
+```ts
+import { listOptions, ListOptionsArgs } from "kcl-lib";
+
+const result = listOptions(new ListOptionsArgs(["options.k"]));
+```
+
+</p>
+</details>
+
+### getSchemaTypeMapping
+
+Get schema type mapping defined in the program.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { getSchemaTypeMapping, GetSchemaTypeMappingArgs } from "kcl-lib";
+
+const result = getSchemaTypeMapping(new GetSchemaTypeMappingArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### overrideFile
+
+Override KCL file with arguments. See [https://www.kcl-lang.io/docs/user_docs/guides/automation](https://www.kcl-lang.io/docs/user_docs/guides/automation) for more override spec guide.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {replicas: 4}
+```
+
+Node.js Code
+
+```ts
+import { overrideFile, OverrideFileArgs } from "kcl-lib";
+
+const result = overrideFile(
+  new OverrideFileArgs("main.k", ["app.replicas=4"], [])
+);
+```
+
+</p>
+</details>
+
+### formatCode
+
+Format the code source.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { formatCode, FormatCodeArgs } from "kcl-lib";
+
+const schemaCode = `
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+`;
+const result = formatCode(new FormatCodeArgs(schemaCode));
+console.log(result.formatted);
+```
+
+</p>
+</details>
+
+### formatPath
+
+Format KCL file or directory path contains KCL files and returns the changed file paths.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `format_path.k` is
+
+```python
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+```
+
+Node.js Code
+
+```ts
+import { formatPath, FormatPathArgs } from "kcl-lib";
+
+const result = formatPath(new FormatPathArgs("format_path.k"));
+```
+
+</p>
+</details>
+
+### lintPath
+
+Lint files and return error messages including errors and warnings.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `lint_path.k` is
+
+```python
+import math
+
+a = 1
+```
+
+Node.js Code
+
+```ts
+import { lintPath, LintPathArgs } from "kcl-lib";
+
+const result = lintPath(new LintPathArgs(["lint_path.k"]));
+```
+
+</p>
+</details>
+
+### validateCode
+
+Validate code using schema and JSON/YAML data strings.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { validateCode, ValidateCodeArgs } from "kcl-lib";
+
+const code = `
+schema Person:
+    name: str
+    age: int
+
+    check:
+        0 < age < 120
+`;
+const data = '{"name": "Alice", "age": 10}';
+const result = validateCode(
+  new ValidateCodeArgs(undefined, data, undefined, code)
+);
+```
+
+</p>
+</details>
+
+### rename
+
+Rename all the occurrences of the target symbol in the files. This API will rewrite files if they contain symbols to be renamed. Return the file paths that got changed.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+a = 1
+b = a
+```
+
+Node.js Code
+
+```ts
+import { rename, RenameArgs } from "kcl-lib";
+
+const args = new RenameArgs(".", "a", ["main.k"], "a2");
+const result = rename(args);
+```
+
+</p>
+</details>
+
+### renameCode
+
+Rename all the occurrences of the target symbol and return the modified code if any code has been changed. This API won't rewrite files but return the changed code.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { renameCode, RenameCodeArgs } from "kcl-lib";
+
+const args = RenameCodeArgs(
+  "/mock/path",
+  "a",
+  { "/mock/path/main.k": "a = 1\nb = a" },
+  "a2"
+);
+const result = renameCode(args);
+```
+
+</p>
+</details>
+
+### test
+
+Test KCL packages with test arguments.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { test as kclTest, TestArgs } from "kcl-lib";
+
+const result = kclTest(new TestArgs(["/path/to/test/module/..."]));
+```
+
+</p>
+</details>
+
+### loadSettingsFiles
+
+Load the setting file config defined in `kcl.yaml`
+
+<details><summary>Example</summary>
+<p>
+
+The content of `kcl.yaml` is
+
+```yaml
+kcl_cli_configs:
+  strict_range_check: true
+kcl_options:
+  - key: key
+    value: value
+```
+
+Node.js Code
+
+```ts
+import { loadSettingsFiles, LoadSettingsFilesArgs } from "kcl-lib";
+
+const result = loadSettingsFiles(new LoadSettingsFilesArgs(".", ["kcl.yaml"]));
+```
+
+</p>
+</details>
+
+### updateDependencies
+
+Download and update dependencies defined in the `kcl.mod` file and return the external package name and location list.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+Node.js Code
+
+```ts
+import { updateDependencies, UpdateDependenciesArgs } from "kcl-lib";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+```
+
+</p>
+</details>
+
+Call `execProgram` with external dependencies
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+The content of `module/main.k` is
+
+```python
+import helloworld
+import flask
+
+a = helloworld.The_first_kcl_program
+```
+
+Node.js Code
+
+```ts
+import {
+  execProgram,
+  ExecProgramArgs,
+  updateDependencies,
+  UpdateDependenciesArgs,
+} from "../index.js";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+const execResult = execProgram(
+  new ExecProgramArgs(
+    ["module/main.k"],
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    result.externalPkgs
+  )
+);
+```
+
+</p>
+</details>
+
+### getVersion
+
+Return the KCL service version information.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { getVersion } from "../index.js";
+
+const result = getVersion();
+console.log(result.versionInfo);
+```
+
+</p>
+</details>
diff --git a/versioned_docs/version-0.9/reference/xlang-api/nodejs-api.md b/versioned_docs/version-0.9/reference/xlang-api/nodejs-api.md
index a16f58b14..400f39f46 100644
--- a/versioned_docs/version-0.9/reference/xlang-api/nodejs-api.md
+++ b/versioned_docs/version-0.9/reference/xlang-api/nodejs-api.md
@@ -22,3 +22,598 @@ function main() {
 
 main();
 ```
+
+## API Reference
+
+### execProgram
+
+Execute KCL file with arguments and return the JSON/YAML result.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+const result = execProgram(new ExecProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+A case with the file not found error
+
+<details><summary>Example</summary>
+<p>
+
+```ts
+import { execProgram, ExecProgramArgs } from "kcl-lib";
+
+try {
+  const result = execProgram(new ExecProgramArgs(["file_not_found.k"]));
+} catch (error) {
+  console.log(error.message);
+}
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### parseFile
+
+Parse KCL single file to Module AST JSON string with import dependencies and parse errors.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseFile, ParseFileArgs } from "kcl-lib";
+
+const result = parseFile(new ParseFileArgs("schema.k"));
+```
+
+</p>
+</details>
+
+### parseProgram
+
+Parse KCL program with entry files and return the AST JSON string.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { parseProgram, ParseProgramArgs } from "kcl-lib";
+
+const result = parseProgram(new ParseProgramArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### loadPackage
+
+loadPackage provides users with the ability to parse KCL program and semantic model information including symbols, types, definitions, etc.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { loadPackage, LoadPackageArgs } from "kcl-lib";
+
+const result = loadPackage(new LoadPackageArgs(["schema.k"], [], true));
+```
+
+</p>
+</details>
+
+### listVariable
+
+listVariables provides users with the ability to parse KCL program and get all variables by specs.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { listVariables, ListVariablesArgs } from "kcl-lib";
+
+const result = listVariables(new ListVariablesArgs(["schema.k"], []));
+```
+
+</p>
+</details>
+
+### listOptions
+
+listOptions provides users with the ability to parse KCL program and get all option information.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `options.k` is
+
+```python
+a = option("key1")
+b = option("key2", required=True)
+c = {
+    metadata.key = option("metadata-key")
+}
+```
+
+Node.js Code
+
+```ts
+import { listOptions, ListOptionsArgs } from "kcl-lib";
+
+const result = listOptions(new ListOptionsArgs(["options.k"]));
+```
+
+</p>
+</details>
+
+### getSchemaTypeMapping
+
+Get schema type mapping defined in the program.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `schema.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {
+    replicas: 2
+}
+```
+
+Node.js Code
+
+```ts
+import { getSchemaTypeMapping, GetSchemaTypeMappingArgs } from "kcl-lib";
+
+const result = getSchemaTypeMapping(new GetSchemaTypeMappingArgs(["schema.k"]));
+```
+
+</p>
+</details>
+
+### overrideFile
+
+Override KCL file with arguments. See [https://www.kcl-lang.io/docs/user_docs/guides/automation](https://www.kcl-lang.io/docs/user_docs/guides/automation) for more override spec guide.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+schema AppConfig:
+    replicas: int
+
+app: AppConfig {replicas: 4}
+```
+
+Node.js Code
+
+```ts
+import { overrideFile, OverrideFileArgs } from "kcl-lib";
+
+const result = overrideFile(
+  new OverrideFileArgs("main.k", ["app.replicas=4"], [])
+);
+```
+
+</p>
+</details>
+
+### formatCode
+
+Format the code source.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { formatCode, FormatCodeArgs } from "kcl-lib";
+
+const schemaCode = `
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+`;
+const result = formatCode(new FormatCodeArgs(schemaCode));
+console.log(result.formatted);
+```
+
+</p>
+</details>
+
+### formatPath
+
+Format KCL file or directory path contains KCL files and returns the changed file paths.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `format_path.k` is
+
+```python
+schema Person:
+    name:   str
+    age:    int
+
+    check:
+        0 <   age <   120
+```
+
+Node.js Code
+
+```ts
+import { formatPath, FormatPathArgs } from "kcl-lib";
+
+const result = formatPath(new FormatPathArgs("format_path.k"));
+```
+
+</p>
+</details>
+
+### lintPath
+
+Lint files and return error messages including errors and warnings.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `lint_path.k` is
+
+```python
+import math
+
+a = 1
+```
+
+Node.js Code
+
+```ts
+import { lintPath, LintPathArgs } from "kcl-lib";
+
+const result = lintPath(new LintPathArgs(["lint_path.k"]));
+```
+
+</p>
+</details>
+
+### validateCode
+
+Validate code using schema and JSON/YAML data strings.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { validateCode, ValidateCodeArgs } from "kcl-lib";
+
+const code = `
+schema Person:
+    name: str
+    age: int
+
+    check:
+        0 < age < 120
+`;
+const data = '{"name": "Alice", "age": 10}';
+const result = validateCode(
+  new ValidateCodeArgs(undefined, data, undefined, code)
+);
+```
+
+</p>
+</details>
+
+### rename
+
+Rename all the occurrences of the target symbol in the files. This API will rewrite files if they contain symbols to be renamed. Return the file paths that got changed.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `main.k` is
+
+```python
+a = 1
+b = a
+```
+
+Node.js Code
+
+```ts
+import { rename, RenameArgs } from "kcl-lib";
+
+const args = new RenameArgs(".", "a", ["main.k"], "a2");
+const result = rename(args);
+```
+
+</p>
+</details>
+
+### renameCode
+
+Rename all the occurrences of the target symbol and return the modified code if any code has been changed. This API won't rewrite files but return the changed code.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { renameCode, RenameCodeArgs } from "kcl-lib";
+
+const args = RenameCodeArgs(
+  "/mock/path",
+  "a",
+  { "/mock/path/main.k": "a = 1\nb = a" },
+  "a2"
+);
+const result = renameCode(args);
+```
+
+</p>
+</details>
+
+### test
+
+Test KCL packages with test arguments.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { test as kclTest, TestArgs } from "kcl-lib";
+
+const result = kclTest(new TestArgs(["/path/to/test/module/..."]));
+```
+
+</p>
+</details>
+
+### loadSettingsFiles
+
+Load the setting file config defined in `kcl.yaml`
+
+<details><summary>Example</summary>
+<p>
+
+The content of `kcl.yaml` is
+
+```yaml
+kcl_cli_configs:
+  strict_range_check: true
+kcl_options:
+  - key: key
+    value: value
+```
+
+Node.js Code
+
+```ts
+import { loadSettingsFiles, LoadSettingsFilesArgs } from "kcl-lib";
+
+const result = loadSettingsFiles(new LoadSettingsFilesArgs(".", ["kcl.yaml"]));
+```
+
+</p>
+</details>
+
+### updateDependencies
+
+Download and update dependencies defined in the `kcl.mod` file and return the external package name and location list.
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+Node.js Code
+
+```ts
+import { updateDependencies, UpdateDependenciesArgs } from "kcl-lib";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+```
+
+</p>
+</details>
+
+Call `execProgram` with external dependencies
+
+<details><summary>Example</summary>
+<p>
+
+The content of `module/kcl.mod` is
+
+```yaml
+[package]
+name = "mod_update"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]
+helloworld = { oci = "oci://ghcr.io/kcl-lang/helloworld", tag = "0.1.0" }
+flask = { git = "https://github.com/kcl-lang/flask-demo-kcl-manifests", commit = "ade147b" }
+```
+
+The content of `module/main.k` is
+
+```python
+import helloworld
+import flask
+
+a = helloworld.The_first_kcl_program
+```
+
+Node.js Code
+
+```ts
+import {
+  execProgram,
+  ExecProgramArgs,
+  updateDependencies,
+  UpdateDependenciesArgs,
+} from "../index.js";
+
+const result = updateDependencies(new UpdateDependenciesArgs("module", false));
+const execResult = execProgram(
+  new ExecProgramArgs(
+    ["module/main.k"],
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    undefined,
+    result.externalPkgs
+  )
+);
+```
+
+</p>
+</details>
+
+### getVersion
+
+Return the KCL service version information.
+
+<details><summary>Example</summary>
+<p>
+
+Node.js Code
+
+```ts
+import { getVersion } from "../index.js";
+
+const result = getVersion();
+console.log(result.versionInfo);
+```
+
+</p>
+</details>