Callback это просто. Разбираемся в callback JavaScript

[Android] How to Implement Callback Function

Best Web Callback Software service! Add a website callback app to any site.

Adding Dynamic Variables and Callback Functions to PIC WEB Demo App

Lucep - Instant response lead call back mobile app

[Nextjs] AuthBlue App Callback to Backend Demo

Callback Request App for Shopify: Why you should install Callback Request on your Shopify Store

Telegram: Callback buttons