The remote server returned an error: (403) Forbidden


my authentication api is working perfect but when am call POST tweet on twitter that time it’s return error (The remote server returned an error: (403) Forbidden.) so how to solve it it’s working system in previous days but today it’s working stop so i want to know what the actual problem and how can i solve it.

url = “”;
am getting error on this url

&status=Test Tweet…