The getStorageNodeExtended call has this functionality built in. You can add the parameters firstByteExpiration and lastByteExpiration to the call http://services.nirvanix.com/ws/IMFS/getStorageNodeExtended.ashx?sessionToken=YOURSESSIONTOKEN& sizeBytes=100000&ipRestricted=false&destFolderPath...

Is there any method of controlling content expiration, or setting the content expiration headers of a file (either after the fact or while uploading) for publicly available files? Thanks! Adam

You are looking for GetDownloadLinks this will generate a token that lasts for a period of time. This method takes one or more paths (Array), the Expiration time in seconds and optionally the IP Address to restrict the download to. After expiration you can no longer download the file and instead will...