What is a Web Mapping Service (WMS)? Open Data Team 01 February 2018 09:06 Updated 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 access new SLIP services? How do I create an account with SLIP to access geospatial data? What’s the difference between a SLIP map and a service? Can I use SLIP services in ArcGIS Online (AGOL)? How does data.wa.gov.au’s authentication system work?