Is there a way to get a user’s email ID after verifying his/her Twitter identity using OAuth?

The user’s email address can not be retrieved via the API. This is a deliberate design decision by the API team. UPDATE 2015.08.18: It is possible to request an email address from users, but it requires your app to be whitelisted. See https://dev.twitter.com/rest/reference/get/account/verify_credentials for details of the API call and this form to request whitelisting … Read more

TwitteR, ROAuth and Windows: register OK, but certificate verify failed

I had received the error you described above in the past, but this has worked for me. #======================================================================================= ## ON windows, we need to dowload the certificate for OAUTH ## NOTE: you will need to setup an app on Twitter ## dev.twitter.com <- get your KEY/SECRET #======================================================================================= ########################################################################## ## Load packages ########################################################################## library(twitteR) library(ROAuth) ## … Read more

Is there a way to get an user’s email ID after verifying his/her Twitter identity using OAuth?

The user’s email address can not be retrieved via the API. This is a deliberate design decision by the API team. UPDATE 2015.08.18: It is possible to request an email address from users, but it requires your app to be whitelisted. See https://dev.twitter.com/rest/reference/get/account/verify_credentials for details of the API call and this form to request whitelisting … Read more