​​​An apostille/certificate of authentication is a document intended for international use and is obtained only through the Kentucky Secretary of State's Office. 

A certified copy of a vital record may be used for this purpose and may be obtained during the Secretary of State process. When requesting a certified copy of a vital record for an apostille/certificate of authentication, the Office of Vital Statistics must be informed that it will be used for this purpose. It is the responsibility of the customer to provide the certified copy to the Secretary of State's Office.

Contact the US State Department if you have any questions about  obtaining vital records from outside the US.​