Use your E-Goi account within WordPress. Send Emails, capture contacts and configure your subscribe form.
E-Goi is a Multichannel Marketing Platform that allows you to keep multiple mailinglists. Send Marketing campaigns via Email, SMS, MMS, Voice broadcasting and Fax - Track all statistics related to every campaign sent. If you don't have a E-Goi account, register one for FREE (http://e-goi.com/s/e-goi/40301803c0) With a free account you can send unlimited Email Marketing Campaigns up to 500 subscribers.
After you login in your E-Goi account, create a subscriber list and click on the options link of that list. You will see a API button on the left and after u click it you should find your API key.
For now, we still don't have a website up and running for this plugin. Please send us an email to (wordpress[at]sector9[dot]pt) describing the bug or feature request.