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Command line API

How to run API in CLI mode

You can run the Signal API in command-line mode. It can be useful to start the API on a remote server where a GUI is not needed

The minimum command to run this mode

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C:\signal>signal.exe --console --api-mode

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 +:+            +:+     +:+         :+:+:+  +:+   +:+   +:+   +:+
 +#++:++#++     +#+     :#:         +#+ +:+ +#+  +#++:++#++:  +#+
        +#+     +#+     +#+   +#+#  +#+  +#+#+#  +#+     +#+  +#+
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  ########  ###########  ########   ###    ####  ###     ###  ##########

  Simplified ISO generation algorithm v0.20

15.03.2026 20:13:55 [INFO] Press CTRL+C to exit
15.03.2026 20:13:55 [INFO]
15.03.2026 20:13:55 [INFO] ## Begin command line job ID 79085d6c-d0ac-405e-98a6-05c7456ae01d ##
15.03.2026 20:13:55 [INFO] Signal API running on port 7777. Process ID: 14976

After this run command, there are only two ways to interact with the Signal API

  • Using the Signal endpoints to get and change the settings, manage the connection, send transactions, and so on
  • Press CTRL + C to stop the API The Signal provides a complete toolkit for working with the API via the endpoint, with no interface involved. Find the latest Postman Collection on download page

It is also recommended to set up a custom config and, when needed, use a dedicated specification file for the API mode