If you are looking for another example, 
check out this tutorial!
In this video, I share an example of creating a custom integration with the Glide Tables API. You learn how to create a row, update a row, and delete a row. Though there is an API involved, there is little to no code because I am using Zapier to make the API calls.
And if APIs scare you… 
Check out my free APIs Made Simpler eBook: