Social & Chat API (Retail — Patch 12.0.0)

Comprehensive reference for chat, social, clubs/communities, friends, voice, BattleNet, and related APIs.

Source: https://warcraft.wiki.gg/wiki/World_of_Warcraft_API Current as of: Patch 12.0.0 (Build 65655) — January 28, 2026 Scope: Retail only.

CRITICAL: 12.0.0 Instance Restrictions

• SendAddonMessage() is BLOCKED inside instances (dungeons, raids, BGs, arenas)
• Chat messages in instances may be secret values (KStrings)
• Addon communication must use alternative patterns outside instances
• C_ChatInfo.SendAddonMessage() and C_ChatInfo.SendAddonMessageLogged() throw errors in instances

Scope