This requirement came from some of the users who are already using WSO2 API Manager product and from WSO2 AM 1.3.0 on wards [released on today],this feature has implemented.You can find WSO2 AM 1.3.0 binary pack from here . Basically for the two apps [Publisher/Store] in WSO2 API Manager,now a developer can change app labels/messages according to the set language in the web browser. From this blog-post,I'll explain the steps to localize publisher app to Spanish,which contains unicode charactors. 1. First set the browser language to your preferred language. Eg: In Google chrome navigate to Settings->Show advanced settings->;Languages and select your preferred language. 2. set the browser encoding type as UTF-8. 3. Then let's change the publisher app accordingly, Extract your downloaded pack and navigate to the deployed publisher app from the location "AM_Home}/repository/deployment/server/jaggeryapps/publisher". 4. We hav