Go to file
Jonathan Klabunde Tomer 6c3cfc88b5 retire /v1/config
It's been supplanted by /v2/config for all clients beyond the 90-day window.
We still have [some traffic](https://signal.grafana.net/goto/bf5tjk346v1moa?orgId=1)
but it's all from expired/third-party clients (note the lack of a recognized
version number in the client-version tag).
2025-12-02 12:52:39 -08:00
2025-09-18 14:56:27 -04:00
2025-09-18 14:56:27 -04:00
2024-11-11 16:32:24 -06:00
2025-12-02 12:52:39 -08:00
2023-01-30 15:45:41 -08:00
2023-09-06 15:48:27 -05:00
2025-11-18 11:39:54 -06:00

Signal-Server

Documentation

Looking for protocol documentation? Check out the website!

https://signal.org/docs/

How to Build

This project uses FoundationDB and requires the FoundationDB client library to be installed on the host system. With that in place, the server can be built and tested with:

$ ./mvnw clean test

Security

Security issues should be sent to security@signal.org.

Help

We cannot provide direct technical support. Get help running this software in your own environment in our unofficial community forum.

Cryptography Notice

This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See https://www.wassenaar.org/ for more information.

The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code.

License

Copyright 2013 Signal Messenger, LLC

Licensed under the GNU AGPLv3: https://www.gnu.org/licenses/agpl-3.0.html

Description
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
Readme AGPL-3.0 27 MiB
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