diff --git a/content/config/base/api/_index.md b/content/config/base/api/_index.md
index a58ed712a0..ca53bd7172 100644
--- a/content/config/base/api/_index.md
+++ b/content/config/base/api/_index.md
@@ -13,6 +13,8 @@ API接口配置提供了一些基于 [gRPC](https://grpc.io/)的 API 接口供
 
 请参考本节中的[相关配置](#相关配置)
 
+使用API开发相关软件，请参考 [API 开发文档](https://github.com/crossfw/Xray-API-documents)
+
 {{% notice warning %}}
 大多数用户并不会用到此 API，新手可以直接忽略这一项。
 {{% /notice %}}
diff --git a/content_en/config/base/api/_index.md b/content_en/config/base/api/_index.md
index cfe5ac928a..4577e92984 100644
--- a/content_en/config/base/api/_index.md
+++ b/content_en/config/base/api/_index.md
@@ -13,6 +13,8 @@ The interface can be opened via the api configuration module. When api configura
 
 Please refer to the [related configurations](#Related configurations) in this section.
 
+If you are developer, please refer to the [API document](https://github.com/crossfw/Xray-API-documents)
+
 {{% notice warning %}}
 Most users will not use this API and newcomers can simply ignore it.
 {{% /notice %}}