I am using OAuth to access List API, but I find that if the request URL contain some char like "_", "(", then twitter will return 401 Unauthorized.
Does anyone know what is the problem?? and this is my request: *Request URL: http://api.twitter.com/1/wilfred_yau/yedsrc/members.xml *Request header: Host: api.twitter.com User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv: 1.9.2b3) Gecko/20091115 Firefox/3.6b3 GTB6 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/ *;q=0.8 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 115 Connection: keep-alive Cookie: __utma=43838368.448377351.1258538849.1259115844.1259117264.22; __utmz=43838368.1258703218.9.4.utmcsr=google|utmccn=(organic)| utmcmd=organic|utmctr=gmasbaby; __utmv=43838368.lang%3A%20en; __qca=P0-1731751766-1258598366235; __utmb=43838368.8.10.1259117264; _twitter_sess=BAh7DDoTcGFzc3dvcmRfdG9rZW4iLWYxZDlkMzA5OWExZTMxMDIzZTlmMGJj %250AOWM1YzllYzAyYTVjOWU2NGM6DGNzcmZfaWQiJTU4MTVlMjgzNWUyNGNhYThh %250ANjE1YzdjOWU4MTE5MGJjOhF0cmFuc19wcm9tcHQwOgl1c2VyaQQ5oOgDOg5y %250AZXR1cm5fdG8iJGh0dHA6Ly90d2l0dGVyLmNvbS9zb2Z0cGVkaWFtYWM6B2lk %250AIiU0Y2JmMWJmNjc0YzJmOTlhZGZjMTA1MzE3NzI3ZGUwNiIKZmxhc2hJQzon %250AQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7%250AAA %253D%253D--3573176707558a7f9cd9653e6a60c073c94e91f5; __utmc=43838368 *Post Data: Content-type: application/x-www-form-urlencoded Content-length: 300 oauth%5Fconsumer%5Fkey=WiW3RrjmAhPvWvTn6oPLA&id=66626470&oauth %5Ftoken=65577017%2DK65DjHAcUbYOEJW5XMVnVuAkRy8fDnNnVGRZDOSAQ&oauth %5Ftimestamp=1259118273&oauth%5Fsignature=zaA0CbWpls3lowiWG0yHCZig%2B2M %3D&oauth%5Fversion=1%2E0&oauth%5Fsignature%5Fmethod=HMAC%2DSHA1& %5Fmethod=DELETE&oauth%5Fnonce=2875 Also, I got same problem in set status using OAuth : *Request URL: http://twitter.com/statuses/update.xml *Request header: Host: twitter.com User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv: 1.9.2b3) Gecko/20091115 Firefox/3.6b3 GTB6 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/ *;q=0.8 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 115 Connection: keep-alive Cookie: __utma=43838368.448377351.1258538849.1259115844.1259117264.22; __utmz=43838368.1258703218.9.4.utmcsr=google|utmccn=(organic)| utmcmd=organic|utmctr=gmasbaby; __utmv=43838368.lang%3A%20en; __qca=P0-1731751766-1258598366235; __utmb=43838368.8.10.1259117264; _twitter_sess=BAh7DDoTcGFzc3dvcmRfdG9rZW4iLWYxZDlkMzA5OWExZTMxMDIzZTlmMGJj %250AOWM1YzllYzAyYTVjOWU2NGM6DGNzcmZfaWQiJTU4MTVlMjgzNWUyNGNhYThh %250ANjE1YzdjOWU4MTE5MGJjOgl1c2VyaQQ5oOgDOhF0cmFuc19wcm9tcHQwIgpm %250AbGFzaElDOidBY3Rpb25Db250cm9sbGVyOjpGbGFzaDo6Rmxhc2hIYXNoewAG %250AOgpAdXNlZHsAOgdpZCIlNGNiZjFiZjY3NGMyZjk5YWRmYzEwNTMxNzcyN2Rl %250AMDY6DnJldHVybl90byIkaHR0cDovL3R3aXR0ZXIuY29tL3NvZnRwZWRpYW1h %250AYw%253D%253D--dfa30d93e80be97e1404abbb466f2c6191816d69; __utmc=43838368 Authorization: Basic Z21hc2JhYnk6eW95b2JhYnk= *Post Data: Content-type: application/x-www-form-urlencoded Content-length: 303 oauth%5Fnonce=4280&oauth%5Fsignature%5Fmethod=HMAC%2DSHA1&oauth %5Ftimestamp=1259117789&status=%40vincenthpchan%20%28O%3A&oauth %5Fversion=1%2E0&oauth%5Fconsumer%5Fkey=WiW3RrjmAhPvWvTn6oPLA&oauth %5Fsignature=dZ0OBySJzAZsdhwUKvK9zaIamE4%3D&oauth %5Ftoken=65577017%2DK65DjHAcUbYOEJW5XMVnVuAkRy8fDnNnVGRZDOSAQ I wonder it is the problem about oauth_signature, but I don't what wrong with it. Thanks you very much ;-)