Update RateLimitBypass.md

Author: BitThr3at

Rate Limit/RateLimitBypass.md

@@ -23,6 +23,7 @@ X-Forwarded-For: IP
 - Adding Null Byte ( %00 ) at the end of the Email can sometimes Bypass Rate Limit.
 - Try adding a Space Character after a Email. ( Not Encoded )
 - Some Common Characters that help bypassing Rate Limit : %0d , %2e , %09 , %20 , %0, %00, %0d%0a, %0a, %0C
+- Adding a slash(/) at the end of api endpoint can also Bypass Rate Limit. `domain.com/v1/login` -> `domain.com/v1/login/`
 
 
 ## Using IP Rotate Burp Extension