# Click on '''API''' section. Select '''Settings'''.
<div style="background-color: #E3FBE5;">'''Note''': By default in IB Gateway '''Socket port''' number is '''4001'''. In IB Broker Profile data source in MultiCharts QuoteManager default '''Port ''' ('''Socket port''') number is '''7496'''. The ports should be the same.</div>
It is recommended to add '''127.0.0.1''' to '''Trusted IP Addresses'''.