UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549



                                    FORM 8-K

                                 CURRENT REPORT


     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


                         Date of Report: August 15, 2002
                        (Date of earliest event reported)


                            -------------------------



                      TRANSACTION SYSTEMS ARCHITECTS, INC.
             (Exact name of registrant as specified in its charter)



          Delaware                   0-25346                      47-0772104
(State or other jurisdiction       (Commission                 (I.R.S.Employer
      of incorporation)            File Number)              Identification No.)


                             224 South 108th Avenue,
                              Omaha, Nebraska 68154
          (Address of principal executive offices, including zip code)


                                 (402) 334-5101
              (Registrant's telephone number, including area code)


                            -------------------------







Item 5.  Other Events.

     On August 15, 2002, Transaction Systems Architects, Inc. issued a press
release announcing receipt of a letter from The Nasdaq Stock Market, Inc. A copy
of the press release is attached as an exhibit to this Form 8-K.


Item 7.  Financial Statements and Exhibits.

    (c)  Exhibits.

   99.1  Press Release dated August 15, 2002.





                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                       TRANSACTION SYSTEMS ARCHITECTS, INC.


 Date: August 16, 2002                 By:        /s/ Dwight G. Hanson
                                           -------------------------------------
                                                    Dwight G. Hanson
                                          Chief Financial Officer, Treasurer and
                                                   Senior Vice President








                                  EXHIBIT INDEX

  Exhibit
  Number      Description

    99.1      Press Release dated August 15, 2002