Favicon Grabber is an online service to grab favicons from any domain.
Favicon Grabber API is simple and has the one endpoint. For instance, to grab favicons from digitalocean.com open https://favicongrabber.com/api/grab/digitalocean.com in your favorite browser.
Grab icons with /apple/ mask in src property:
fetch('https://favicongrabber.com/api/grab/udemy.com')
.then(response => response.json())
.then(({ icons }) => icons.filter(({ src }) => /apple/.test(src)))
.then(icons => icons.forEach(icon => console.log(icon)));For the full description, please see Service API reference.
The code is available under the MIT License.