wordpress.org provides an JSON-API. That’s exactly what this plugin is for.
Basic data for the free version at wordpress.org is at https://api.wordpress.org/plugins/info/1.0/json-content-importer.json

Template:
What’s it about? The above “About the free Plugin” is livedata from the wordpress.org API – the shortcode with the free version is as following:
[jsoncontentimporter url=”https://api.wordpress.org/plugins/info/1.0/json-content-importer.json”]Version: {version}, {downloaded} Downloads, {num_ratings} Ratings: {rating}%[/jsoncontentimporter]

This template in action with the free version:
Version: 1.5.6, 317710 Downloads, 72 Ratings: 98%