For those integrations to work properly, it is required to have the following plugins/services in place:
JetEngine allows you to create post relations, custom post types, meta boxes, and much more. This very powerful plugin can be used without any line of code.
Create highly optimized automations, direct webhook connections or simply let external services talk with your website. WP Webhooks focusses on fully automating your website to get rid of human interactions and errors while saving resources and money.