Install seb_json. create template in Seblod (templates Seblod)

Create search list in Seblod.

In list and template> choose Seb_json Variation > none

Do override in

templates/seb_json/positions/yourlist/list/json.php

install this > template > https://github.com/Uriel29/templatejson

create a menu item. Title > hide , Show Search Form > hide.

Binds Theme (Joomla) json to the menu item