https://api.bridgedataoutput.com/api/v2/OData/har/Properties?$filter=(City eq 'Houston') and (PropertyType eq 'Residential') and PhotosCount gt 1&$top=10&$select=ListingKey,BedroomsTotal,StreetName,StreetNumber,City,PropertyType,ModificationTimestamp,ListAgent,CloseDate,PhotosCount&$expand=ListAgent
The $expand system query option specifies the related resources to be included in line with retrieved resources. Look for the NavigationProperty in the metadata to determine if a resource is linked for expansion.