Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350,

As Adopted Pursuant to Section 906 of the

Sarbanes-Oxley Act of 2002

The undersigned Chief Executive Officer and Chief Financial Officer of NIC Inc. (the “Company”) each hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Quarterly Report on Form 10-Q of the Company for the quarter ended March 31, 2013 (the “Report”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: May 7, 2013

/s/ Harry Herington

Harry Herington

Chief Executive Officer

/s/ Stephen M. Kovzan

Stephen M. Kovzan

Chief Financial Officer