With Boei, you can create a Facebook Messenger button widget for your website within minutes. It is super simple!
How to get there: Go to Setup → Widget in the top menu → click your widget → click Add Channel and select Facebook Messenger.
See Installation Guides.
Open Facebook, open your profile, and check the page URL.
Here you can find your profile ID. Below you see some examples with the ID in bold:
Give it a test to see if everything is set up correctly.
Done!