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                                                                    Exhibit 10.1
                                    --------------------------------------------

Silicon Valley Bank

                           AMENDMENT TO LOAN DOCUMENTS

Borrower: Onyx Software Corporation

Date:     March 4, 2002

     THIS AGREEMENT TO LOAN DOCUMENTS is entered into between Silicon Valley
Bank ("Silicon") and the borrower named above ("Borrower").

     The Parties agree to amend the Loan and Security Agreement between them,
dated February 14, 2002 (as otherwise amended, if at all, the "Loan Agreement"),
as follows, effective as of the date hereof. (Capitalized terms used but not
defined in this Amendment shall have the meanings set forth in the Loan
Agreement.)

     1. Modified Tangible Net Worth Financial Covenant. The Minimum Tangible Net
Worth Financial Covenant set forth in that portion of the Schedule to Loan and
Security Agreement entitled "5. FINANCIAL COVENANTS (Section 5.1)" which
currently reads as follows:

          Minimum Tangible    As of the end of each month during the
          Net Worth:          following periods Borrower shall, on a
                              consolidated basis, maintain a Tangible Net Worth
                              of not less than the following amounts, plus an
                              amount equal to 50% of the total consideration
                              received by Borrower after December 31, 2001, in
                              consideration for the issuance by the Borrower of
                              its equity securities and/or subordinated debt
                              securities, effective on the date such
                              consideration is received:

                              --------------------------------------------------
                              Dates                                      Minimum
                                                                    Tangible Net
                                                                           Worth
                              --------------------------------------------------
                              December 31, 2001                       $3,800,000
                               -------------------------------------------------
                              January 1, 2002 to and including        $4,000,000
                              March 31, 2002
                              --------------------------------------------------
                              April 1, 2002 to and including          $4,425,000
                              June 30, 2002
                              --------------------------------------------------
                              July 1, 2002 to and including           $5,800,000
                              September 30, 2002
                              --------------------------------------------------
                              October 1, 2002 to and including        $8,575,000
                              December 31, 2002
                              --------------------------------------------------

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is hereby amended to read as follows:

          Minimum Tangible    As of the end of each month during the following
          Net Worth:          periods Borrower shall, on a consolidated basis,
                              maintain a Tangible Net Worth of not less than the
                              following amounts, plus an amount equal to 50% of
                              the total consideration received by Borrower after
                              January 31, 2002, in consideration for the
                              issuance by the Borrower of its equity securities
                              and/or subordinated debt securities, effective on
                              the date such consideration is received:

                              --------------------------------------------------
                              Dates                                      Minimum
                                                                    Tangible Net
                                                                           Worth
                              --------------------------------------------------
                              January 1, 2002 to and including        $8,474,800
                              February 28, 2002
                              --------------------------------------------------
                              March 1, 2002 to and including         $13,474,800
                              March 31, 2002
                              --------------------------------------------------
                              April 1, 2002 to and including          $8,899,800
                              May 31, 2002
                              --------------------------------------------------
                              June 1, 2002 to and including          $13,899,800
                              June 30, 2002
                              --------------------------------------------------
                              July 1, 2002 to and including          $10,274,800
                              August 31, 2002
                              --------------------------------------------------
                              September 1, 2002 to and including     $15,274,800
                              September 30, 2002
                              --------------------------------------------------
                              October 1, 2002 to and including       $13,049,800
                              November 30, 2002
                              --------------------------------------------------
                              December 1, 2002 to and including      $18,049,800
                              December 31, 2002
                              --------------------------------------------------

     2. Representations True. Borrower represents and warrants to Silicon that
all representations and warranties set forth in the Loan Agreement, as amended
hereby, are true and correct.

     3. General Provisions. This Amendment, the Loan Agreement, any prior
written amendments to the Loan Agreement signed by Silicon and Borrower, and the
other written documents and agreements between Silicon and Borrower set forth in
full all of the representations and agreements of the parties with respect to
the subject matter hereof and supersede all prior discussions, representations,
agreements and understandings between the parties with respect to the subject
hereof. Except as herein expressly amended, all of the terms and provisions of
the Loan Agreement, and all other documents and agreements between Silicon and
Borrower shall continue in full force and effect and the same are hereby
ratified and confirmed.

                                      -2-

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Borrower:                                Silicon:

ONYX SOFTWARE CORPORATION                SILICON VALLEY BANK

By:        /s/ Jim O. Beck               By:       /s/ Don Chandler
   ----------------------------------       ----------------------------------
               Treasurer                 Title:    V.P.
                                               -------------------------------

By:      /s/ Amy E. Kelleran
   ----------------------------------
    Secretary or Ass't Secretary

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