The SOAP API is no longer recommended to use if you are starting a new project or planning to extend an existing one. Please consider using the MailUp REST API instead
The MailUp SOAP API consists of a series of Web Services that can be used to perform a large array of tasks. The API is available free of charge. Read about Best practices to understand what you can do and learn the recommended approaches.
The following classes of Web services are currently available (and new ones are added all the time):