....Whilst the docs state no authorization is required. I think I'm doing something wrong with the OAuth fields I send. But I have yet to find out exactly what and how to fix it. I've tried the 'text/xml; charset=utf-8' content-type, but this results in the same message.
Sniffed: POST /1/statuses/retweet/22684354355.xml HTTP/1.1 Content-Type: application/x-www-form-urlencoded User-Agent: RTL Netherlands OAuth Consumer Authorization: OAuth oauth_callback="http%3A%2F%2Fwww.rtl.nl %2Fexperience%2Frtlnl%2F", oauth_consumer_key="I1yQDPyI7WUn2fN9JfFWww", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1283523528", oauth_nonce="uupiA1mAr22CmX3D3Lou73hDV7yIYP9G9YjsyuhGN%2FQ%3D", oauth_version="1.0", oauth_signature="9HWVDDiftaW%2BZaOxNB692zBop1k %3D" Host: api.twitter.com HTTP/1.1 401 Unauthorized Date: Fri, 03 Sep 2010 14:18:49 GMT Server: hi Status: 401 Unauthorized WWW-Authenticate: Basic realm="Twitter API" X-Runtime: 0.00591 Content-Type: application/xml; charset=utf-8 Content-Length: 163 Cache-Control: no-cache, max-age=1800 Set-Cookie: k=217.118.160.30.1283523529311927; path=/; expires=Fri, 10- Sep-10 14:18:49 GMT; domain=.twitter.com Set-Cookie: guest_id=128352352931668878; path=/; expires=Sun, 03 Oct 2010 14:18:49 GMT Set-Cookie: _twitter_sess=BAh7CDoPY3JlYXRlZF9hdGwrCGjK9tcqAToHaWQiJTFiYTNiMDlmMzZmNzdi %250AODJjMWRiMmY2OTMyODQ4ZTU0IgpmbGFzaElDOidBY3Rpb25Db250cm9sbGVy %250AOjpGbGFzaDo6Rmxhc2hIYXNoewAGOgpAdXNlZHsA--53471a68a90cd817bfe9063a156fd56d031dbd4f; domain=.twitter.com; path=/ Expires: Fri, 03 Sep 2010 14:48:49 GMT Vary: Accept-Encoding Connection: close <?xml version="1.0" encoding="UTF-8"?> <hash> <request>/1/statuses/retweet/22684354355.xml</request> <error>Could not authenticate with OAuth.</error> </hash> -- Twitter developer documentation and resources: http://dev.twitter.com/doc API updates via Twitter: http://twitter.com/twitterapi Issues/Enhancements Tracker: http://code.google.com/p/twitter-api/issues/list Change your membership to this group: http://groups.google.com/group/twitter-development-talk?hl=en