Consent of Independent Registered Public Accounting Firm

The Board of Directors
LivePerson, Inc.:

We consent to the incorporation by reference in the registration statements
(Nos. 333-112019 and 333-112018) on Form S-3 and (No. 333-34230) on Form S-8 of
LivePerson, Inc. of our report dated March 16, 2005, with respect to the
consolidated balance sheets of LivePerson, Inc. and subsidiaries as of December
31, 2004 and 2003, and the related consolidated statements of operations,
stockholders' equity, and cash flows for each of the years in the three-year
period ended December 31, 2004, which report appears in the December 31, 2004,
Annual Report on Form 10-K of LivePerson, Inc.

/s/ KPMG LLP

New York, New York
March 16, 2005