How do I instantly charge for an order from Campaign Builder?

You’ll need your secret authorization token which you got when you setup your account.

1. Within Campaign Builder, in a sequence, add an HTTP POST action.
   
2. Within the HTTP POST action, set the URL to https://instachargeit.com/v1/ 

   For the parameters, add the following:
   Id    ~Contact.Id~
FirstName    ~Contact.FirstName~
LastName    ~Contact.LastName~
hash    Your Secret Authorization Token
   mid    Optional Merchant Account ID 

   Your HTTP POST will look something like this:
   

3. Change the HTTP Post from Draft to Ready
4. Click Back to Sequence