wacli: WhatsApp Command Line Interface for Syncing and Messaging

wacli is a powerful command-line tool designed for WhatsApp users who want to manage their messaging activities directly from the terminal. Built on top of the whatsmeow library, wacli offers a robust solution for syncing message history, conducting fast offline searches, sending messages, and managing contacts and groups. It leverages the WhatsApp Web protocol, ensuring a seamless integration with existing WhatsApp functionalities.

The tool provides a local sync of message history and supports continuous capture, allowing users to keep their message database updated. Users can perform fast offline searches and send messages directly from the command line. Additionally, wacli offers features for managing contacts and groups, making it a comprehensive tool for WhatsApp power users.

Installation is straightforward, with options to install via Homebrew or build locally. Once installed, users can authenticate using a QR code, sync their data, and perform various tasks such as searching messages, backfilling older message histories, downloading media, and sending text or file messages. The tool also supports environment variable overrides for device label and platform, providing flexibility in how it interacts with WhatsApp.

wacli's design is inspired by previous projects like whatsapp-cli, and it emphasizes a user-friendly experience with human-readable outputs by default. For those needing machine-readable outputs, a JSON format is available. The tool is maintained by a dedicated team, ensuring continuous updates and improvements.