API to export contacts from Mails, Gmail, yahoo, aol etc
I am looking for some API which exports the contacts from Gmail, Yahoo, Hotmail, AOL etc.
I tried Openinviter, but i am getting working gmail alone. i am not getting help to fix the issues.
Please help me, if some one has scripts for the same, or solution to fix the openinviter problem. I need it asap.
Thanks in advance