In order to assist Clients to develop their own concept of a “company” so as to group all of it’s symbols across exchanges, QuoteMedia introduced some additional fields to the output of the getSecurityMaster API.
The following two fields will be included in the xml/json output when the &identifier=true parameter is included in the request. Either one of these identifiers can be used as a “constant identifier” for the symbols that belong to a “company” across various exchanges.
<qmidentifier> or <openfigi>
In order to identify which symbol belongs to the primary exchange for a “company”, using the &isprimary=true input parameter will include the following field in the output when the symbol is from the primary exchange for the “company”.