Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Registration Statement on FormS-3 of our report dated March 5, 2019 relating to the consolidated financial statements of Cardlytics, Inc. appearing in the Annual Report on Form10-K of Cardlytics, Inc. for the year ended December 31, 2018, and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.
/s/ DELOITTE & TOUCHE LLP
Atlanta, Georgia
July 26, 2019
