An apostille is a certificate that authenticates the origin of personal, educational or commercial documents. Apostille can only be issued for documents issued in one country party to the Apostille convention and that are to be used in another country which is also a party to the convention. Essentially, Apostille is an international attestation that is acceptable in about 92 countries, and most of the western world recognises Apostille.
For the list of countries that require documents to be apostilled, please refer to the following link:
Apostille can be done on following documents
Please note that above mentioned list is not all-inclusive and can include more documents. For more information click here