UrlFetchApp POST coding example lesson How to send data to an endpoint UrlFetchApp POST JSON
How to send data to an endpoint UrlFetchApp POST JSON Using URL fetch within Google Apps Script to connect to an endpoint, send a payload of data to the endpoint and return the response data as JSON to be used within Google Apps Script Code. Source Code https://basescripts.com/google-apps-script-coding-examples-free-pdf-downloadable-guide