whatsmeow is a Go library for the WhatsApp web multidevice API.
This was initially forked from go-whatsapp (MIT license), but large parts of the code have been rewritten for multidevice support. Parts of the code are ported from WhatsappWeb4j and Baileys (also MIT license).
Matrix room: #whatsmeow:maunium.net
The godoc includes docs for all methods and event types. There's also a simple example at the top.
Also see mdtest for a CLI tool you can easily try out whatsmeow with.
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 app state (contact list, chat pin/mute status, etc)
- Sending and handling retry receipts if message decryption fails
Things that are not yet implemented:
- Writing app state (contact list, chat pin/mute status, etc)
- Sending status messages or broadcast list messages (this is not supported on WhatsApp web either)
- Calls