We're using Yoast to generate default schema on our site (it adds types like 'WebPage' everywhere).

This is fine for us but for the pages that we optimize for SEO, we're considering adding custom schema, but only for only pages, by integrating our custom schema with Yoast's via their schema graph API.

While it's true that Yoast publishes its API documentation, it's hard to find any other resources (outside of Yoast) on how to do this (e.g., other sites providing examples of integrating different schema types with Yoast's, or even freelancers with experience in this).

Given this impression (which may be mine alone), are there many other sites actually attempting to integrate their schema code with Yoast's? Or maybe better put, is this actually feasible to do? Thanks in advance