FacetWP - REST API - ajax example

example.js

<script>
(function($) {
    $(function() {
        var data = {
            'facets': {
                'make': ['audi'],
                'vehicle_type': []
            },
            'query_args': {
                'post_type': 'cars',
                'posts_per_page': 4,
                'paged': 1
            },
        };

        $.ajax({
            type: 'POST',
            url: 'http://wp.dev/wp-json/facetwp/v1/fetch',
            data: { data: JSON.stringify(data) },
            success: function(response) {
                console.log(response);
            }

        });
    });
})(jQuery);
</script>