Our REST API allows you to view, create or edit content on any WordPress.com site, as well as any self-hosted (WordPress.org) site connected via Jetpack.
https://developer.wordpress.com/docs/api/
JavaScript Libraries and Functions
Get access to data on 1,044,339 websites that are Wordpress Public API Customers. We know of 740,882 live websites using Wordpress Public API and an additional 303,457 sites that used Wordpress Public API historically and 555,548 websites in the United States.
Get a list of 1,044,339 websites using Wordpress Public API which includes location information, hosting data, contact details, 740,882 currently live websites and an additional 151,772 domains that redirect to sites in this list. 303,457 sites that used this technology previously and 555,548 websites in the United States currently using Wordpress Public API.