Related

GET Route

fastapi

Create GET endpoint

POST Route

fastapi

Create POST endpoint

Custom Route Class

fastapi

Create advanced routes

fastapi/websocket

WebSocket Endpoint

Create WebSocket route

websocket
realtime

Explanation

Creates a WebSocket endpoint for real-time communication

Examples

Echo WebSocket

from fastapi import WebSocket
  
  @app.websocket("/ws")
  async def websocket_endpoint(websocket: WebSocket):
      await websocket.accept()
      while True:
          data = await websocket.receive_text()
          await websocket.send_text(f"Message: {data}")

More

Minimal Application

fastapi

Create basic FastAPI app

Database Session Dependency

fastapi

Create database session

Custom Middleware

fastapi

Create request/response middleware