Whenever you want to access a Business Verification, use the Retrieve a Verification endpoint. In this link, you can find the documentation about the Verification Object.
When you retrieve a Verification Request, Trébol will send you the captured data as of the date of the verified sources. If you need to access updated information from a Business, you need to create a new Verification Request.
Private sources, like documents, adopt the data of the document.
Public sources, like websites, adopt the data of the time that public source was reviewed.