Textbook Exchange API v1 AssignMessageGenericFault AssignMessageJSTimeoutFault AssignMessageResourceNotFound AssignMessageAPIKeyFault AssignMessageSpikeArrestFault AssignMessageSQLInjectionFault true JavaScriptCatchJSErrors AssignMessageGenerateFaultResponse FlowCalloutLogging AssignMessageAddCORS VerifyAPIKey JavaScriptValidateRequest SpikeArrest JSONThreatProtection FlowCalloutLogging AssignMessageRemoveSecurityHeaders AssignMessageAddCORS Start Textbook Exchange List "For Sale" Textbooks Reserve "For Sale" Textbook RaiseFaultResourceNotFound FlowCalloutLogging /sales-management/textbook-exchange/v1 internal default