permid-api intelligent-tagging-api open-permid-api bulk-download rics symbology api entity quote search python error record-matching-api intelligent-tagging rest-api data forex Download isin permid licensing historical json rdf php key expired-contract entity-api etf error-475 export documentation http batch reference-data template sitecore token excel javascript endpoint trep app-key ric socket-exception company ssl status c# java caching fields email trbc exchange-codes url support postman connection-error eikon api-limits sedol tick-history-rest-api