EXHIBIT 32.1

CERTIFICATION PURSUANT TO RULE 13a-14(b) OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE (18 U.S.C. SECTION 1350),

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

In connection with the Annual Report of Mercalot Inc., or the Registrant, on Form 10-K for the period ended June 30, 2025 as filed with the Securities and Exchange Commission on the date hereof, I, Blas Mayor Reyes, Principal Executive Officer, Principal Financial Officer of the Registrant, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Annual Report on Form 10-K fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and

2. 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 the Registrant.

Dated: August 12, 2025	A/s/ Blas Mayor Reyes
	Blas Mayor Reyes
	Principal Executive Officer, Principal Financial Officer and Principal Accounting Officer