На примере postman:
для получения списка объектов всех компаний я делаю POST запрос такого вида
https://myhoreca.itsm365.com/sd/services/rest/find/ou$company?accessKey={{SDKEY}}

metaClass: attrs

objectBase$FR: rnkkt,KKTRegDate,OFDName,UUID,FNExpireDate,LegalName,FRSerialNumber,ModelKKT,SrokFN,FNNumber,owner,lastModifiedDate
objectBase$Workstation: UUID,GK,Teamviewer,AnyDesk,DeviceName,lastModifiedDate,owner,litemanagerID
objectBase$Server: UUID,Teamviewer,litemanagerID,UniqueID,IP,CabinetLink,owner,AnyDesk,DeviceName,lastModifiedDate,nameforclient,RDP
ou$company: parent,recipientAgreements,adress,title,UUID,lastModifiedDate,KEsInUse,additionalName
agreement$agreement: title,UUID,lastModifiedDate,state