'Apostles' in the Bible

I have knowledge of your doings, and of your hard work and long waiting, and that you will not put up with evil men, and have put to the test those who say they are Apostles and are not, and have seen that they are false;

Be glad over her, heaven, and you saints, and Apostles, and prophets; because she has been judged by God on your account.

And the wall of the town had twelve bases, and on them the twelve names of the twelve Apostles of the Lamb.