htmx doesn't do anything on an error by default, but you can override this behavior using the extensive event system it has: https://htmx.org/events/#htmx:res

htmx doesn't do anything on an error by default, but you can override this behavior using the extensive event system it has: https://htmx.org/events/#htmx:responseError https://htmx.org/events/#htmx:responseError