Related

Raise HTTPException

fastapi

Return error responses

Query Parameter

fastapi

Handle query parameters

Custom Middleware

fastapi

Create request/response middleware

fastapi/exception-handler

Custom Exception Handler

Handle exceptions globally

error
handling

Explanation

Creates global exception handlers for custom error responses

Examples

Custom HTTP exception handler

from fastapi import FastAPI, HTTPException
  
  @app.exception_handler(HTTPException)
  async def http_exception_handler(request, exc):
      return JSONResponse(
          status_code=exc.status_code,
          content={"detail": exc.detail},
      )

More

File Upload

fastapi

Handle file uploads

Custom Route Class

fastapi

Create advanced routes

Install FastAPI

fastapi

Install FastAPI and dependencies