Probem Oauth Authirazion when fetch Contacts

Hi all, I use C# to use contact api to fetch contacts, I follow guide of contact api and some articles of this forum to buid some sucessuflly steps
1. Request Token : success
2.Request Access : success ( this step I obtain access token, access token secret and guid of user)
3. Build url and sign request url under "HMAC-SHA1" to make a request fetch contact , my url signed as following:


But this step always get response 'Please provide valid credentials. OAuth oauth_problem="token_rejected", realm="yahooapis.com"' ( in browser is code 401 : Authorization Required).
There 's any body suggest about the way to pass Authorization for this url?
Thank you very much!

1 Reply
  • I think I solve this problem but quite funny
    When I use C# I use library i pass step from 1-->3
    And to step fetching to get concacts, I use I use js from http://www.mail-archive.com/oauth@googlegr...m/msg02412.html to build url request and successfully
    I don't understand what is reason i always receive token reject when use OAuh.net in step 3

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