autocomplete - Places API(NEW) not working, getting error This API project is not authorized to use this API. Places API error:

i created a new project added biilong account and assigned this project, i have enabled places api, maps javascript api, geocoding, route api. and created api key. when i call the place api i am getting error "This API project is not authorized to use this API. Places API error: ApiNotActivatedMapError\n;]) this i smy url ={api-key}&callback=initService&libraries=places&v=weekly