What is a Web Mapping Service (WMS)? Data WA 28 June 2017 07:29 See Esri’s guide to Communicating with a WMS service in a web browser for more information on using WMS services as published by ArcGIS for server. revise Related articles How do I create an account with SLIP to access geospatial data? How To: Using Geospatial Data Web Services in QGIS Understanding access to data What’s the difference between a SLIP map and a service? How does data.wa.gov.au’s authentication system work?