post
https://api-sandboxdash.norcapsecurities.com/tapiv3/index.php/v3/closeOffering
This method closes the offering and cannot be invoked until all trade statuses are one of the following: Funded, Settled, Canceled or Unwind Settled. The offering can only be closed once all funding activity has been completed. Please note that this does NOT update trade statuses to "Settled."