Exhibit 10.11


                        COLIN KRUGER AND MICHAEL SHIRMAN
                          5777 W. CENTURY BLVD., #1400
                         LOS ANGELES, CALIFORNIA  90045



                                December 14, 2000




Vsource,  Inc.
5740  Ralston,  Suite  110
Ventura,  California  93003

     Re:     Online  Transaction  Technology,  Inc.

Gentlemen:

     We  wish  to  supplement the Merger Agreement dated as of December 14, 2000
(the "Agreement") among Vsource, Inc. ("Vsource"), OTT Acquisition Corp., Online
Transaction  Technology,  Inc.  (the  "Company"),  and  Colin Kruger and Michael
Shirman  (the  "Founders").  Capitalized  terms  in this letter unless otherwise
defined  have  the  meanings  set  forth  in  the  Agreement.

     For  good  cause and valuable consideration, the receipt and sufficiency of
which  is  hereby  acknowledged,  we  agree  that  the Losses indemnified by the
Founders  pursuant  to  Section  9.1  of  the Agreement shall include any Losses
resulting  from  any  additional shares of Company Common Stock or Parent Common
Stock issuable to Cumetrix Data Systems or Kibel Green Issa, Harvey Kibel, Steve
Green,  JMI  Limited,  L.P.,  or  Adam Michelin pursuant to the anti-dilution or
preemptive  rights  provisions of any warrants or preferred stock of the Company
outstanding  prior  to  the  Closing.

                                 Sincerely,


                                        //s//
                                        Colin  Kruger



                                        //s//
                                        Michael  Shirman