QuickLinks -- Click here to rapidly navigate through this document

Exhibit 23.1


Consent of Independent Registered Public Accounting Firm

        We hereby consent to use in this Registration Statement on Form S-1/A Amendment No. 1 of our report dated January 26, 2007, except for Note 3, as to which the date is April 3, 2007, relating to the financial statements and financial statement schedule of PROS Holdings, Inc., which appear in such Registration Statement. We also consent to the reference to us under the heading "Experts" in such Registration Statement.


/s/ PricewaterhouseCoopers LLP

Houston, Texas
May 14, 2007

 

 



QuickLinks

Consent of Independent Registered Public Accounting Firm