Update an attachment by ID.


Restricted - Registered Systems Only

External systems requesting to hit this endpoint must be registered with Follow Up Boss. To learn more, see the section on Identification.


URI - File Location

The URI should be a link to a file location stored outside of Follow Up Boss. If a URI is not provided, the API will treat the request as an attempt to upload a file to our servers and return a 403.

Click Try It! to start a request and see the response here!