Twitter API Coding

Is there a Twitter API call which can check whether a email address is registered with twitter or not?

Can some one code it for me..

 

You need also password...

$twitter = new Zend_Service_Twitter('someone@gmail.com', 'password');
// verify your credentials with twitter
$response = $twitter->account->verifyCredentials();

PHP:

There is no way to search for users by email only with twitter API right now.

 

so i guess that multiple queries will get the IP banned..

 

You can attempt a registration, and check if it complains about the email address.

Edit: worked out how to do this, please PM me.