title: Response Cookies and Headers
description: Set cookies and custom headers on responses in JustAPI.
keywords: [JustAPI, response cookies, response headers, Set-Cookie, custom headers]

Setting Cookies

from justapi import JSONResponse
from justapi import JustAPIApp

app = JustAPIApp()

@app.get("/set-cookie")
def set_cookie():
    response = JSONResponse(content={"message": "cookie set"})
    response.set_cookie("session_id", "abc123", httponly=True, secure=True)
    return response

Deleting Cookies

@app.get("/clear-cookie")
def clear_cookie():
    response = JSONResponse(content={"message": "cookie cleared"})
    response.delete_cookie("session_id")
    return response

Cookie Options

Custom Response Headers

@app.get("/with-headers")
def with_headers():
    response = JSONResponse(content={"data": "value"})
    response.headers["X-Request-Id"] = "req-123"
    response.headers["X-Response-Time"] = "42ms"
    return response

See Also

• Return a Response Directly — full response control
• Security — First Steps — auth with cookies
• Cookie Parameters — reading cookies