Bay'ah wajibi ne a kan dukkan Musulmi, kuma haƙƙi ne na kowane Musulmi, namiji da mace. Dalilai game da cewa Bay'ah wajibi ne suna da yawa; daga cikinsu akwai maganar Manzon Allah ﷺ:

The Bay’ah is an obligation upon all Muslims and it is also the right of every Muslim, male and female. The evidences concerning the Bay’ah being an obligation are numerous; of these is the speech of the Messenger of Allah (pbuh):

“Duk wanda ya mutu alhali babu bay'ah a wuyansa, to ya mutu mutuwar zamanin jahiliyya.” [Muslim ne ya ruwaito shi] Gaskiyar cewa bay'ah da kanta tana nuna cewa haqqin Musulmai ne, ana fahimtar hakan ne daga bay'ah da kanta, domin bay'ah daga Musulmai take zuwa ga Khalifa, ba daga Khalifa zuwa ga Musulmai ba. An tabbatar da bay'ar Musulmai ga Manzon Allah ﷺ a cikin hadisai masu yawa ingantattu waɗanda aka lissafa a matsayin Sahihai. A cikin Al-Bukhari, an ruwaito cewa Ubadah Ibnus Samit ya ce:

“Whoever dies while there was no allegiance on his neck dies a death of the days of ignorance (Jahiliyyah).” [Narrated by Muslim] The fact that the Bay’ah itself indicates that it is the right of the Muslims, is understood from the Bay’ah itself, for it is from the Muslims to the Khaleefah, and not from the Khaleefah to the Muslims. The Bay’ah of the Muslims to the Messenger of Allah (pbuh) has been confirmed in much sound Ahadith listed as Sahih. In Al-Bukhari, it has been reported that Ubadah Ibnus Samit said: