https://rssapi.net/
RSS API - Automatically subscribe to RSS, ATOM, JSON-Feeds
Subscribe to RSS feeds via API and receive nearly real-time updates via webhooks. Easily normalize and consume any RSS, ATOM, or JSON feed with RSS API.
rss apisubscribe toautomaticallyatomjson
https://api.drupal.org/api/drupal/core%21modules%21views%21views.theme.inc/function/template_preprocess_views_view_row_rss/8.9.x
function template_preprocess_views_view_row_rss | Drupal API
functiontemplatepreprocessviewsrow