What is Internet Data Exchange (IDX)?

Internet Data Exchange (IDX), also referred to as "Broker Reciprocity," was the next stage in the evolution of MLS as the primary means of enhancing cooperation between REALTORS® to facilitate the purchase and sale of real property. IDX gives MLS Participants the ability to authorize limited electronic display of their listings by other Participants. Under IDX, brokers exchange consent to display each other’s listings on Participants’ websites and using applications for mobile devices that Participants control.


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