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Microsoft Agents Hosting FastAPI

This library provides FastAPI integration for Microsoft Agents, enabling you to build conversational agents using the FastAPI web framework.

Release Notes

Version Date Release Notes
1.9.0 2026-10-19 1.9.0 Release Notes
1.8.0 2026-10-01 1.8.0 Release Notes
1.7.0 2026-09-17 1.7.0 Release Notes
1.5.0 2026-08-26 1.5.0 Release Notes
1.4.0 2026-08-18 1.4.0 Release Notes
1.3.0 2026-07-30 1.3.0 Release Notes
1.2.0 2026-07-17 1.2.0 Release Notes
1.1.0 2026-06-19 1.1.0 Release Notes
1.0.0 2026-05-22 1.0.0 Release Notes
0.9.1 2026-05-04 0.9.1 Release Notes
0.9.0 2026-04-15 0.9.0 Release Notes
0.8.0 2026-02-23 0.8.0 Release Notes
0.7.0 2026-01-21 0.7.0 Release Notes
0.6.1 2025-12-01 0.6.1 Release Notes
0.6.0 2025-11-18 0.6.0 Release Notes

Packages Overview

We offer the following PyPI packages to create conversational experiences based on Agents:

Package Name PyPI Version Description
microsoft-agents-activity PyPI Types and validators implementing the Activity protocol spec.
microsoft-agents-hosting-core PyPI Core library for Microsoft Agents hosting.
microsoft-agents-hosting-aiohttp PyPI Configures aiohttp to run the Agent.
microsoft-agents-hosting-fastapi PyPI Configures fastapi to run the Agent.
microsoft-agents-hosting-msteams PyPI Provides classes to host an Agent for Teams.
microsoft-agents-hosting-dialogs PyPI Dialog system with waterfall dialogs, prompts, and multi-turn conversation management.
microsoft-agents-hosting-slack PyPI Provides classes to host an Agent for Slack.
microsoft-agents-storage-blob PyPI Extension to use Azure Blob as storage.
microsoft-agents-storage-cosmos PyPI Extension to use CosmosDB as storage.
microsoft-agents-authentication-msal PyPI MSAL-based authentication for Microsoft Agents.
microsoft-agents-authentication-entra-auth-sidecar PyPI Credential-free Entra ID Agent ID authentication via the sidecar.

Features

  • FastAPI integration for Microsoft Agents
  • JWT authorization middleware
  • Channel service API endpoints
  • Streaming response support
  • Cloud adapter for processing agent activities

Installation

pip install microsoft-agents-hosting-fastapi

Usage

from fastapi import FastAPI, Request
from microsoft_agents.hosting.fastapi import start_agent_process, CloudAdapter
from microsoft_agents.hosting.core.app import AgentApplication

app = FastAPI()
connection_manager = MsalConnectionManager(**agents_sdk_config)
adapter = CloudAdapter(connection_manager=connection_manager)
agent_app = AgentApplication()

@app.post("/api/messages")
async def messages(request: Request):
    return await start_agent_process(request, agent_app, adapter)

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