Through What May We Seek Intercession with Allah?
By His Names and Attributes.
Evidence from the Noble Qur'an
{And (all ) the most beautiful Names belong to Allaah, so call on Him by them}, {Soorah al-A'raaf, Aayah 180]
Evidence from the authentic Sunnah
((I ask you by all your names, with which you wave named your self)), [Transmitted by Ahmad]