External parties are organisations (mainly local administrations) that have access to Hoplr's Service Dashboard. Via the dashboard, these parties are able to communicate with a number of neighbourhoods, without gaining access to their content.
Read: How can I communicate with an external party in my area?
Access to the Service Dashboard is a paid service, preserved for parties that offer the neighbourhoods some non-commercial value. Think of local governments, project developers or waste collectors. Read more about Hoplr's business model.