Social server with an ActivityStreams API

This project is maintained by pump.io contributors


This is pump.io. It's a stream server that does most of what people really want from a social network.

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What's it for?

I post something and my followers see it. That's the rough idea behind the pump.

There's an API defined in the API.md file. It uses activitystrea.ms JSON as the main data and command format.

You can post almost anything that can be represented with activity streams -- short or long text, bookmarks, images, video, audio, events, geo checkins. You can follow friends, create lists of people, and so on.

The software is useful for at least these scenarios:

It also comes with a web UI.


Consult the README for installation instructions.


Copyright 2011-2017, E14N https://e14n.com/ and contributors

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.