{

"data": [
{% assign summaries = site.posts | where: "type", "summary" %}
{% for summary in summaries %}
    {{ summary | strip_fields_from_document: 'next,previous,output' | jsonify }}
    {% unless forloop.last %},{% endunless %}
{% endfor %}
],
"status": "OK",
"last_updated": "{{ 'now' | date_to_rfc822 }}"

}