# ActivityPub | ![img \|150](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/ActivityPub-tutorial-image.svg/320px-ActivityPub-tutorial-image.svg.png) | **ActivityPub** is an open, decentralized social networking protocol based on Pump.io's ActivityPump protocol. It provides a client/server API for creating, updating, and deleting content, as well as a federated server-to-server API for delivering notifications and content. | | ---- | ---- | | | wikipedia:: [ActivityPub](https://en.wikipedia.org/wiki/ActivityPub) | [[Evan Prodromou]] ## Sources - https://www.youtube.com/watch?v=cuv_TyrxzHA - Good overview by [[Evan Prodromou]]