# tulir/whatsmeow

Go library for the WhatsApp web multidevice API

Repository: https://github.com/tulir/whatsmeow
Canonical: https://ross.abutalabs.com/products/whatsmeow
Homepage: https://go.mau.fi/whatsmeow
Language: Go
License: MPL-2.0
License Family: copyleft
Topics: go, golang, whatsapp, whatsapp-web
Last push: 2026-08-21T14:22:50+00:00

## Health v2 (maintenance only)
Score: 76/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 98, release rhythm 35, longevity 100
- inputs: {"age_days": 1792, "days_push": 12, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 7147, forks 1168 (observed 2026-08-28T04:09:56.185205+00:00)

## What it is
whatsmeow is a Go library implementing the WhatsApp web multidevice API. It enables Go programs to connect to WhatsApp as a linked device, sending and receiving messages, media, receipts, and managing group state.

## Use cases
- send WhatsApp messages from a Go program
- build a WhatsApp bot that receives and replies to messages
- automate WhatsApp group management
- send media files over WhatsApp programmatically
- track read receipts and typing notifications
- sync WhatsApp contact and chat state

## When to choose
- you need programmatic WhatsApp access in Go without an official Business API
- you want to build bots, bridges, or automation on WhatsApp
- you need low-level control over the WhatsApp multidevice protocol

## When to avoid
- you need WhatsApp voice or video call support
- you need to send broadcast list messages
- you want an officially supported WhatsApp API with guaranteed terms-of-service compliance
- you're not working in Go

## Facets
- artifact type: library
- maturity: active
- function: http-client, sdk, cryptography
- domain: messaging-platforms, developer-tools
- platform: go, cross-platform
- tags: whatsapp, whatsapp-web, multidevice, messaging, chatbot, automation

## Member repositories
- tulir/whatsmeow (main) score 76

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:56.185205+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:40:00.915881+00:00, confidence not recorded.
  - readme: https://github.com/tulir/whatsmeow (fetched 2026-08-28T04:09:56.185205+00:00, sha 027b3da3b6d4)
  - homepage: https://go.mau.fi/whatsmeow (fetched 2026-08-29T08:35:28.751064+00:00, sha cd7712a525e9)
- Data as of 2026-08-30T08:39:29.467469+00:00.