问题
Is there an API (probably provided by Twitter but not necessarily) that will give me the Twitter username for each email address I give it?
回答1:
Official response from Twitter on this issue is here - http://code.google.com/p/twitter-api/issues/detail?id=353
"This API method is offered in a closed beta at this time, and we are not accepting new partners. However, we're working on the long-term strategy for this method and will keep you in mind when we decide to open it up again. I am sorry for the inconvenience this may cause in the meantime, and please let me know if you have any other questions."
回答2:
To my knowledge, the Twitter API doesn't expose or otherwise give access to the email address.
I understand your needs, as I also wish this were available, but I believe this is the decision Twitter went with.
来源：https://stackoverflow.com/questions/5995944/how-do-i-get-a-twitter-username-based-on-an-email-address