Yes, MAILINGWORK offers several ways to transfer address data easily and efficiently, such as between your CRM system and MAILINGWORK. You can use our general web service interface (API) for this purpose. There are three available methods:

1. Request and response via SOAP protocol
2. Request as HTTP POST parameters, response in JSON
   
3. Replace content request as HTTP POST parameters, response in XML
   

For more technical details and implementation options, please refer to our current API documentation.

You can also use an automated FTP subscriber import to regularly transfer addresses from a CSV file to MAILINGWORK.

Additionally, MAILINGWORK offers interfaces to various CRM and shop systems, including Salesforce, as well as shop systems like OXID, Magento, and Shopware 5.