+ * @param string $action API action to perform: 'query_plugins', 'plugin_information',
+ * 'hot_tags' or 'hot_categories'.
+ * @param array|object $args {
+ * Optional. Array or object of arguments to serialize for the Plugin Info API.
+ *
+ * @type string $slug The plugin slug. Default empty.
+ * @type int $per_page Number of plugins per page. Default 24.
+ * @type int $page Number of current page. Default 1.
+ * @type int $number Number of tags or categories to be queried.
+ * @type string $search A search term. Default empty.
+ * @type string $tag Tag to filter plugins. Default empty.
+ * @type string $author Username of an plugin author to filter plugins. Default empty.
+ * @type string $user Username to query for their favorites. Default empty.
+ * @type string $browse Browse view: 'popular', 'new', 'beta', 'recommended'.
+ * @type string $locale Locale to provide context-sensitive results. Default is the value
+ * of get_locale().
+ * @type string $installed_plugins Installed plugins to provide context-sensitive results.
+ * @type bool $is_ssl Whether links should be returned with https or not. Default false.
+ * @type array $fields {
+ * Array of fields which should or should not be returned.
+ *
+ * @type bool $short_description Whether to return the plugin short description. Default true.
+ * @type bool $description Whether to return the plugin full description. Default false.
+ * @type bool $sections Whether to return the plugin readme sections: description, installation,
+ * FAQ, screenshots, other notes, and changelog. Default false.
+ * @type bool $tested Whether to return the 'Compatible up to' value. Default true.
+ * @type bool $requires Whether to return the required WordPress version. Default true.
+ * @type bool $rating Whether to return the rating in percent and total number of ratings.
+ * Default true.
+ * @type bool $ratings Whether to return the number of rating for each star (1-5). Default true.
+ * @type bool $downloaded Whether to return the download count. Default true.
+ * @type bool $downloadlink Whether to return the download link for the package. Default true.
+ * @type bool $last_updated Whether to return the date of the last update. Default true.
+ * @type bool $added Whether to return the date when the plugin was added to the wordpress.org
+ * repository. Default true.
+ * @type bool $tags Whether to return the assigned tags. Default true.
+ * @type bool $compatibility Whether to return the WordPress compatibility list. Default true.
+ * @type bool $homepage Whether to return the plugin homepage link. Default true.
+ * @type bool $versions Whether to return the list of all available versions. Default false.
+ * @type bool $donate_link Whether to return the donation link. Default true.
+ * @type bool $reviews Whether to return the plugin reviews. Default false.
+ * @type bool $banners Whether to return the banner images links. Default false.
+ * @type bool $icons Whether to return the icon links. Default false.
+ * @type bool $active_installs Whether to return the number of active installs. Default false.
+ * @type bool $group Whether to return the assigned group. Default false.
+ * @type bool $contributors Whether to return the list of contributors. Default false.
+ * }
+ * }
+ * @return object|array|WP_Error Response object or array on success, WP_Error on failure. See the
+ * {@link https://developer.wordpress.org/reference/functions/plugins_api/ function reference article}
+ * for more information on the make-up of possible return values depending on the value of `$action`.