If you've been asked to obtain an Apostille for your birth certificate, diploma, power of attorney, marriage certificate, or another official document, you may be wondering what an Apostille actually is—and why it's required. The good news is that an Apostille does not change your document or verify the information it contains. Instead, it serves a very specific purpose: it confirms that the document was signed or certified by an authorized public official. What Is an Apostil