You should sign up, so people can find you on Twitter, too.
It takes just a few seconds and is totally secure:
No! Your e-mail address won’t be exposed to anyone.
Nymsy functions like a key-value store. Without the key (the e-mail address), the value (the Twitter username) is unavailable. And it’s impossible to go the other way, to get the e-mail address from the Twitter username.
No! It’s totally free!
No! They did, but then they took it away. And with the recent API changes they’ve made, it doesn’t look like this is something they’ll offer in the future.
So glad you asked. Hit the API page for more.
You can just e-mail me! email@example.com. I’m pretty good about replying within a few hours.