WordPress.org API
WordPress.org (wordpress.org) has 2 public methods: search plugins and get WordPress plugin details. Each costs 1 credit per completed run (1¢ with pay as you go); failed runs are free.
Unofficial. Not affiliated with or endorsed by WordPress.org.
Methods
2Searches the WordPress.org plugin directory by description and returns matches in directory search order, with ratings, installations, compatibility and plugin page links.
Returns name, author, rating, rating count, active installations, last updated, tested WordPress version, plugin page link, slug
Readwordpress.org/search_pluginsFinds the best-matching WordPress.org plugin by name or plugin page link and returns its details, including the changelog for the latest version when one is available.
Returns name, author, version, rating, installs, requirements, description, latest changelog, links
Readwordpress.org/get_plugin