The IDX Broker Platinum IDX is the most award winning and featured packed IDX you can get. Below we have just a selection of the many advanced features of IDX Broker Platinum that you can use for our business. RealtyTech will perform the installation of the IDX into the RealtyTech Premium Website at no extra cost. You will not have to pay the extra IDX Broker setup fee either when you sign up using the RealtyTech website.