https://api.bridgedataoutput.com/api/v2/OData/abor_ref/Property?$top=10&$select=ListingId,ListingKey,City,ListPrice,StreetNumber,StreetName,BedroomsTotal,Directions,ListingContractDate,ModificationTimestamp,StandardStatus,PropertyType,InternetAddressDisplayYN&$filter=not(InternetAddressDisplayYN eq true)
A boolean ‘Not’ must enclose its operands in a parenthesis with not as an operator i.e. not(City eq ‘Elkwood’).