Hi All -- Hope everyone is doing great. I am trying to write ec2 webservices with plsql based on below links. http://code.google.com/p/plsql-utils/ http://ora-00001.blogspot.com/2011/03/amazon-s3-api-for-plsql.html http://jastraub.blogspot.com/2009_07_01_archive.html i tried to write code for EC2 request to describeregions and i am always having problems with signature. Can some one suggest any code for this activity. i dont have my code handy while writing this email so going to post code in my next reply. Any help would be greatly appreciate. Thanks, Vamshi .D -- //www.freelists.org/webpage/oracle-l