V4 Summary In development for 18 months. Will be released for GA in WMS V5.1.7.x V4 Supports REST & SOAP REST currently supports XML. Will be adding JSON. Currently supports HTTP. Will be adding HTTPS. V3 & V4 can run simultaneously in the same.NET hosted process.
V4 API Feature Summary Full REST & SOAP support Integration Event Protocol Shared.NET Infrastructure –.NET 4 / WCF – IIS & Self-Host – Native.NET REST & SOAP Clients
Integration Roadmap 2014 Q4 – Add TLS \ HTTPS – Add JSON media type 2015 Q1 – More documentation – More samples and examples – Release of Builder Integration Library
Release Details V4 of the API and infrastructure will be included in V5.1.7.x of WMS. V3 will also be included in V5.1.7.x of WMS. V3 & V4 can run simultaneously in the same.NET hosted process, along with your SOAP and REST services. Pre-release builds of WMS V5.1.7.x are now available. GA Release of WMS V5.1.7.x will be Fall 2014.