dss dss rest api rest_api webinar rest api java rest dss-sdk ric timeseries api extract lookup datascope select dss rest legal extraction on demand error python isin dss search response fields trth v2 soap status equitysearch instrument list restapi http requests limit c# end of day equity http scheduler chains https search json rics c# .net historical subcurrency exchange code identifiers date bonds proxy username source field intraday extraction dss rest api http expired unknownhost credit spreads base spreads cross scaling factor chain ric factor fx rate calculation error on demand splunk singlehistoricalpricecondition singlehistoricalpriceextractionrequest TRTH dss soap api dss api datascope extraction validation legal entity 202 accepted options stream not readable access login composite exchangelist client certificate trthv2 timeout example visual-studio funds fundsearchrequest ric code identificationsymbolricricssymbol list exchange codes authentication connection mvc api intradypricing job pending job cusip dss restapi datacope fields multisearch library gac listed operations xsd schema starmine instrumentlistsimportfrombytes jsonorderedobject property order artifact jar ipo code decimal places token to report template chain usage searching timestamp byn corporate action pricing source getfilecontent status code 202 inprogress expiration user account account async synchronous user my apis create bond instrument conditions eikon ric lookup inflight page results slow integration fault handling content licensing dss rest c# request async synchronous ric code identification dss rest c# scheduled request dss wsdl #dss wsdl rest api exception in c# methods error 400 malformed request payload json dss rest api time series requst http 403 response iso trth dss migration sharepoint