This {bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}1$s REST API endpoint gives you all the metadata you need for a specific URL. This will make it very easy for headless WordPress sites to use {bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}1$s for all their SEO meta output.