whatsmeow

whatsmeow is a Go library for the WhatsApp web multidevice API.
Active
In Finland (Suomi) 🇫🇮
Open-source

Most core features are already present:

Sending messages to private chats and groups (both text and media) Receiving all messages Managing groups and receiving group change events Joining via invite messages, using and creating invite links Sending and receiving typing notifications Sending and receiving delivery and read receipts Reading and writing app state (contact list, chat pin/mute status, etc) Sending and handling retry receipts if message decryption fails Sending status messages (experimental, may not work for large contact lists) Things that are not yet implemented:

Sending broadcast list messages (this is not supported on WhatsApp web either) Calls

Founders:

Tulir Asokan

whatsmeow
Org. type: Grassroots / Indie project
Project type: Tool or platform
Tags: Matrix, WhatsApp
Last modified: Jan 28, 2026 Added: Mar 1, 2025
Back to Top