# Implement Badging API

**URL:** <https://meta.discourse.org/t/implement-badging-api/111631>\
**Category:** Feature\
**Tags:** rfc, pwa\
**Created:** [March 14, 2019, 10:12pm UTC](https://meta.discourse.org/t/implement-badging-api/111631 "2019-03-14T22:12:10Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)\
**Post date:** [March 14, 2019, 10:12pm UTC](https://meta.discourse.org/t/implement-badging-api/111631/1 "2019-03-14T22:12:10Z")

</div>

There is a new web API that allows **installed** web apps to show a icon to warn the user about pending notifications.

 ![image](https://global.discourse-cdn.com/meta/original/3X/f/5/f5bbebee18cfff4ce48a2f984ed7b7f76339bd4b.jpeg)

Explainer: [badging/explainer.md at main · w3c/badging · GitHub](https://github.com/WICG/badging/blob/master/explainer.md)

Currently, this is only available for websites who sign up to the trial, and only on Windows and Mac OS using Google Chrome. (Meta has this enabled on Light and Dark Themes).

This is how the looks on Windows:

Before a notification

![image](https://global.discourse-cdn.com/meta/original/3X/5/9/5978fd479b664475502f26ee9fbb974afda1a52a.png)

After a notification

![image](https://global.discourse-cdn.com/meta/original/3X/9/8/986a5a6dc15ae9630d7ac2ee998c08d7d9a321ee.png)

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_[View the full topic](https://meta.discourse.org/t/implement-badging-api/111631)._