It describes itself as the largest lay-run apostolate of Catholic apologetics and evangelization in the United States.

Catholic Answers Live is syndicated on the EWTN radio network.

[3] Catholic Answers was founded in 1979 by Karl Keating in response to a fundamentalist Protestant church in San Diego that was distributing anti-Catholic propaganda in the form of tracts placed on the cars of Catholics attending Mass.

He distributed it on the windshields of the cars in the fundamentalist Protestant church's parking lot.

[5] Apologists who have worked for Catholic Answers include Trent Horn,[6][7] Tim Staples, Karlo Broussard, Joe Heschmeyer, and Jimmy Akin.