On the site you need to install a module for checking links for viruses, something similar to VK. How can such a module be made?

Question

PHP

It is necessary to make the site so that if the user clicks on a malicious link, then a window appears with the message "link is malicious". What are the available options?

Answer 1

https://developers.google.com/safe-browsing/lookup...
https://www.virustotal.com/en/documentation/public-api/

Answer 2

Create a blacklist and check if the site is on it