MailUp's API allows developers to integrate it with other applications. MailUp has both a SOAP and REST API.
The Web Services page refers to the credentials that are needed to integrate with MailUp via the SOAP API, and to make HTTP requests to certain pages.
- API credentials for SOAP API and HTTP requests: see MailUp API Credentials
- Documentation for HTTP requests: HTTP Get or Post API
- Documentation for REST API: REST API
The MailUp API home page is at http://api.mailup.com
The MailUp API has been used to integrate the system with a number of other applications. See a list here: MailUp Integrations Guide