FastAPI HTMX

fastapi-htmx

# main.py

@app.middleware("http")
async def set_xhr(request: Request, call_next):
    request.state.is_xhr = "HX-Request" in request.headers
    return await call_next(request)
    
# in your Jinja2 template :

{% if request.state.is_xhr %}
    do cool stuff
{% endif %}