Microsoft Work IQ APIs GA Developer Guide for Enterprise AI Workflow Automation
Microsoft Work IQ APIs give developers a permission-aware way to build Microsoft 365 agents that reason over email, meetings, files, people, chats, and workflow context. For teams preparing for the June 16, 2026 GA release, the practical decision is how to use A2A, MCP, or REST without rebuilding Graph search and RAG plumbing from scratch. What Are Microsoft Work IQ APIs and What Changes on June 16, 2026? Microsoft Work IQ APIs are agent-oriented Microsoft 365 APIs that expose synthesized work context through A2A, MCP, and REST endpoints instead of forcing developers to manually join mail, calendar, chat, file, and people signals. Microsoft announced on June 2, 2026 that Work IQ APIs are scheduled for general availability on June 16, 2026, with GA endpoints for Agent-to-Agent, a redesigned remote MCP server, and REST API access. The important change is not just another endpoint family; it is a production contract for enterprise agents that need permission-trimmed business context, admin controls, and consumption billing. Existing Microsoft 365 governance remains part of the access model, while developers get a higher-level surface for agent workflows. The takeaway is that Work IQ should be evaluated as a context and action layer for Microsoft 365 agents, not as a simple Microsoft Graph replacement. ...