{
  "provider": "reddit",
  "share-endpoint": "https://www.reddit.com/submit"
}

<amp-social-share
     width="48"
     height="66"
     class="i-amphtml-story-share-icon i-amphtml-element i-amphtml-
           notbuilt amp-notbuilt i-amphtml-layout-fixed i-amphtml-
           layout-size-defined i-amphtml-error i-amphtml-element-error"
     type="reddit"
     data-param-share-endpoint="https://www.reddit.com/submit"
     style="width: 48px; height: 66px;"
     error-message="The data-share-endpoint attribute is required. amp-
           social-share​​​">
</amp-social-share>