It is important to note that Revel have an API limit. To help out DSYNC have built a scheduler where you can set up the times when your Revel POINT of sale system should be called via the API. The 30 minute period is controlled by a schedule which is set on the Revel Inventory endpoint. If you click on that Revel endpoint which is connected to the second system, the right side bar shows you the options. There you can see the time that has been set. You can adjust however you want. One thing to note is that Revel limits the total number of calls to their API you can make in one day. DSYNC would suggest a schedule not lower than 10 minutes to avoid your limit being reached too quickly during the day. For more information please see our Revel Integration Check-sheet.