Hi,
Is there an easy way to update your link previews like iMessage, messenger, etc?
Hi Cody! 
Thanks for reaching out.
Just to clarify, are you referring to the link preview you see when you send a message (e.g. the visual preview, title, and description)?
Hi there, you can use this guide to set up custom meta fields:
This doc has more details on what fields you need for imessage preview: