http://resoapi.wfrmls.com/reso/odata/Properties?$filter=endswith(StreetName, 'M')&$select=ListingKeyNumeric,BedroomsTotal,Directions,ListingContractDate,ModificationTimestamp,StandardStatus,PropertyType,PublicRemarks,StreetName&$top=10
Filter on a string field value that ends with a certain value. This is case sensitive