I'm trying to make Tr connection via matlab API using the following function: Connect to the Thomson Reuters Datastream API using sample values URL 'http://dataworks.thomson.com/Dataworks/Enterprise/1.0' To retrieve your values for these input arguments, contact Thomson Reuters. Connect = datastream('DS:U****','Pa***','Datastream', ... 'http://dataworks.thomson.com/Dataworks/Enterprise/1.0')