diff --git a/README.md b/README.md
index 86b37eb..65e4217 100644
--- a/README.md
+++ b/README.md
@@ -80,4 +80,12 @@ When `env.php` file is ready, open terminal and type:
 
 ```bash 
 php test.php
-```
\ No newline at end of file
+```
+## API Documents
+* [UpStream repository](https://github.com/ippanel)
+* [Document](https://sms.ariaservice.net/files/upload/api.pdf)
+
+## Credits
+* Programmed by [YiiMan](https://github.com/yiiman-dev)
+* Sponsored by [AriaService](https://ariaservice.net/)
+* Powered by [APIStorm](https://github.com/yiiman-dev/apistorm)
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