HTTP Request URL https://api.login.yahoo.com/oauth/v2/get_request_token?oauth_version=1.0 &oauth_nonce=f4118853732ced7a6066856900926972 &oauth_timestamp=1228701887 &oauth_consumer_key=dj0yJmk9QlpGV2E5ZEtDQmNOJmQ9WVdrOVIySlFha0ZUTm1VbWNHbzlNVGs0TVRrNU5USTRPUS0tJnM9Y29uc3VtZXJzZWNyZXQmeD05MQ-- &oauth_signature_method=HMAC-SHA1 &oauth_signature=NXXPihWW7EP7xZj7mFPtCtarfNM%3D HTTP Request Header NULL