Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Michael (Mike) Milotich, Chief Financial Officer of Marqeta, Inc., certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report on Form 10-K of Marqeta, Inc. for the fiscal year ended December 31, 2023 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in such Annual Report on Form 10-K fairly presents, in all material respects, the financial condition and results of operations of Marqeta, Inc.

Date: February 28, 2024	By:	/s/ Michael (Mike) Milotich
		Michael (Mike) Milotich
		Chief Financial Officer
		(Principal Financial and Accounting Officer)