Mail Baby supports sending email messages via API. API is used to send transactional emails from custom developed software. It is also supported by 3rd party vendors and our Mail Baby WordPress Plugin.
API Documentation is located here: https://www.mail.baby/apidoc.html
To obtain your API key. Login to https://my.interserver.net Go to “Settings” in the top menu. Then click on the API Access tab. You can generate a new key or replace an excising one.