CONSENT OF INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of Billserv, Inc. for
the registration of 4,146,154 shares of its common stock and to the
incorporation by reference therein of our report dated February 5, 2002, with
respect to the consolidated financial statements of Billserv, Inc. included in
its Annual Report (Form 10-K) for the year ended December 31, 2001, filed with
the Securities and Exchange Commission.


                                          /s/ Ernst & Young LLP
                                          ------------------------
                                          Ernst & Young LLP


San Antonio, Texas
August 7, 2002


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