{{ $id := .Get 0 }}
{{ $data := getJSON "https://uk.pcpartpicker.com/qapi/partlist/markup/?mode=markdown&partlist=" $id }}

<p>
  <a class="btn btn-primary" data-toggle="collapse" href="#collapse{{ $id }}" aria-expanded="false" aria-controls="collapse{{ $id }}">
    View Parts List
  </a>
  <div class="collapse" id="collapse{{ $id }}">
    <div class="card card-block">
      <p>{{ $data.content | markdownify }}</p>
    </div>
  </div>
</p>