Can I use the API with my custom table? Stephanie Price-Bell February 16, 2021 12:41 Updated Follow The custom tables feature can support CSV data import, FTP file transfer, or REST API. The SOAP API does not support custom tables. Resources See API documentation here. Related articles How do I add dates from my custom table into my email design? What information must be included in every API call? How do I exclude segments in a campaign? What is a picklist? How do I edit my custom table? Comments 0 comments Article is closed for comments.