Import-Export API


The ressurce "Attachment" represents the multi media files to a real estate object. We support pictures, videos, PDFs and URLs.


"externalCheckSum" available for synchronizing attachments with support for your own attachment id.


  • Maximum 150 pictures and/or pdf attachments per realestate object. Maximum file size is 50 MB. For videos, the maximum file size is 1 GB.
  • You can get and change the order of the attachments by this webservice: User/Realestate/attachment/attachmentsorder
  • You can work with ATTACHMENT with your own object id as identifier for the realestate object by adding the prefix "ext-": https://... realestate/ext-{your object id}/attachment/{id}/....
  • You can do a GET ATTACHMENT with your own attachment id: http://rest.../realestate/{IS24-object-ID or your object ID/attachment?externalId={your attachment ID}.

Supported methods