Guys, I am using Restlet with C# with TBA Oauth 1.0 and OAuthBase.cs whenever I append a special character with query string its get messed and return as INVALID_LOGIN_ATTEMPT have a look at below string restlets.api.netsuite.com/app/site/hosting/restlet.nl?script=198&deploy=1&columns=internalid,itemid&type=item&filters=matrix;is;F

Use a different delimiter