# About Waves.Exchange Matcher
Unlike nodes that connect to a common network, every Matcher works on its own. There is no common order pool shared by matchers so there is no economic viability to run your own matcher unless you are running your own exchange. If you are running your own exchange you can install and customize Matcher to earn fees for the services it provides. For details see the following articles:
Matcher exposes REST API for accessing order book and submitting orders. This allows implementing trading UIs or trading bots. Read more about Matcher API.