HTMX with Python

HTMX lets HTML attributes trigger AJAX requests, WebSocket connections, and server-sent events, then swap the response directly into the page — no separate JavaScript framework, no client/server API contract to maintain. It’s backend-agnostic, but pairs especially well with Django and FastAPI, both of which can return HTML fragments directly instead of JSON for HTMX to swap in.

For a worked example combining it with a specific backend, see FastAPI and HTMX: building interactive UIs without a JS framework.