You only need the api key for requests going to https://api.openrouteservice.org - any other endpoint (local or on your own servers) won’t have the same infrastructure that we have for API limiting, so the API key would not be needed
You only need the api key for requests going to https://api.openrouteservice.org - any other endpoint (local or on your own servers) won’t have the same infrastructure that we have for API limiting, so the API key would not be needed