Exhibit 10.6


 


THIS PROMISSORY NOTE (“NOTE”)
HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED
FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE
SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY IN FORM, SCOPE AND SUBSTANCE TO THE COMPANY THAT SUCH REGISTRATION
IS NOT REQUIRED.


 


PROMISSORY NOTE


 


	Principal Amount: up to $300,000	Dated as of October 23, 2021


(as set forth on the Schedule of Borrowings
attached hereto)


 


BlueRiver Acquisition
Corp., a Cayman Islands exempted company and blank check company (the “Maker”), promises to pay to the order
of BlueRiver Ventures, LLC, a Cayman Islands limited liability company, or its registered assigns or successors in interest (the
 “Payee”), or order, the principal sum of up to three hundred thousand U.S. dollars ($300,000) (as set forth
on the Schedule of Borrowings attached hereto) in lawful money of the United States of America, on the terms and conditions described
below. All payments on this Note shall be made by check or wire transfer of immediately available funds or as otherwise determined
by the Maker to such account as the Payee may from time to time designate by written notice in accordance with the provisions of
this Note.


 


1. Principal. The
principal balance of this Note shall be payable on the earlier of: (i) December 31, 2021 or (ii) the date on which Maker
consummates an initial public offering of its securities (the “IPO”). The principal balance may be prepaid
at any time.


 


2. Interest. No
interest shall accrue on the unpaid principal balance of this Note.


 


3. Application of
Payments. All payments shall be applied first to payment in full of any costs incurred in the collection of any sum due under
this Note, including (without limitation) reasonable attorney’s fees, then to the payment in full of any late charges and
finally to the reduction of the unpaid principal balance of this Note.


 


4. Events of Default.
The following shall constitute an event of default (“Event of Default”):


 


(a) Failure to Make
Required Payments. Failure by Maker to pay the principal amount due pursuant to this Note within five (5) business days of
the date specified above.


 


(b) Voluntary Bankruptcy,
Etc. The commencement by Maker of a voluntary case under any applicable bankruptcy, insolvency, reorganization, rehabilitation
or other similar law, or the consent by it to the appointment of or taking possession by a receiver, liquidator, assignee, trustee,
custodian, sequestrator (or other similar official) of Maker or for any substantial part of its property, or the making by it of
any assignment for the benefit of creditors, or the failure of Maker generally to pay its debts as such debts become due, or the
taking of corporate action by Maker in furtherance of any of the foregoing.


 


(c) Involuntary Bankruptcy,
Etc. The entry of a decree or order for relief by a court having jurisdiction in the premises in respect of Maker in an involuntary
case under any applicable bankruptcy, insolvency or other similar law, or appointing a receiver, liquidator, assignee, custodian,
trustee, sequestrator (or similar official) of Maker or for any substantial part of its property, or ordering the winding-up or
liquidation of its affairs, and the continuance of any such decree or order unstayed and in effect for a period of 60 consecutive
days.


 






     


     


    

 


5. Remedies.


 


(a) Upon the occurrence
of an Event of Default specified in Section 4(a) hereof, Payee may, by written notice to Maker, declare this Note to be due immediately
and payable, whereupon the unpaid principal amount of this Note, and all other amounts payable thereunder, shall become immediately
due and payable without presentment, demand, protest or other notice of any kind, all of which are hereby expressly waived, anything
contained herein or in the documents evidencing the same to the contrary notwithstanding.


 


(b) Upon the occurrence
of an Event of Default specified in Sections 4(b) and 4(c), the unpaid principal balance of this Note, and all other sums payable
with regard to this Note, shall automatically and immediately become due and payable, in all cases without any action on the part
of Payee.


 


6. Waivers. Maker
and all endorsers and guarantors of, and sureties for, this Note waive presentment for payment, demand, notice of dishonor, protest,
and notice of protest with regard to the Note, all errors, defects and imperfections in any proceedings instituted by Payee under
the terms of this Note, and all benefits that might accrue to Maker by virtue of any present or future laws exempting any property,
real or personal, or any part of the proceeds arising from any sale of any such property, from attachment, levy or sale under
execution, or providing for any stay of execution, exemption from civil process, or extension of time for payment; and Maker agrees
that any real estate that may be levied upon pursuant to a judgment obtained by virtue hereof, on any writ of execution issued
hereon, may be sold upon any such writ in whole or in part in any order desired by Payee.


 


7. Unconditional
Liability. Maker hereby waives all notices in connection with the delivery, acceptance, performance, default, or
enforcement of the payment of this Note, and agrees that its liability shall be unconditional, without regard to the
liability of any other party, and shall not be affected in any manner by any indulgence, extension of time, renewal, waiver
or modification granted or consented to by Payee, and consents to any and all extensions of time, renewals, waivers, or
modifications that may be granted by Payee with respect to the payment or other provisions of this Note, and agrees that
additional makers, endorsers, guarantors, or sureties may become parties hereto without notice to Maker or affecting
Maker’s liability hereunder.


 


8. Notices. All
notices, statements or other documents which are required or contemplated by this Agreement shall be: (i) in writing and delivered
personally or sent by first class registered or certified mail, overnight courier service or facsimile or electronic transmission
to the address designated in writing, (ii) by facsimile to the number most recently provided to such party or such other address
or fax number as may be designated in writing by such party and (iii) by electronic mail, to the electronic mail address most
recently provided to such party or such other electronic mail address as may be designated in writing by such party. Any notice
or other communication so transmitted shall be deemed to have been given on the day of delivery, if delivered personally, on the
business day following receipt of written confirmation, if sent by facsimile or electronic transmission, one (1) business day
after delivery to an overnight courier service or five (5) days after mailing if sent by mail.


 


9. Construction.
THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PROVISIONS
THEREOF.


  


10. Severability.
Any provision contained in this Note which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction,
be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and
any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any
other jurisdiction.


 






     


     


    

 


11. Trust Waiver.
Notwithstanding anything herein to the contrary, the Payee hereby waives any and all right, title, interest or claim of any
kind (“Claim”) in or to any distribution of or from the trust account to be established in which the proceeds
of the IPO conducted by the Maker (including the deferred underwriters discounts and commissions) and the proceeds of the sale
of the warrants issued in a private placement to occur prior to the consummation of the IPO are to be deposited, as described
in greater detail in the registration statement and prospectus to be filed with the Securities and Exchange Commission in connection
with the IPO, and hereby agrees not to seek recourse, reimbursement, payment or satisfaction for any Claim against the trust account
for any reason whatsoever.


 


12. Amendment; Waiver.
Any amendment hereto or waiver of any provision hereof may be made with, and only with, the written consent of the Maker and
the Payee.


 


13. Assignment.
No assignment or transfer of this Note or any rights or obligations hereunder may be made by any party hereto (by operation
of law or otherwise) without the prior written consent of the other party hereto and any attempted assignment without the required
consent shall be void.


 


[Signature page follows]


 






     


     


    

 


IN WITNESS WHEREOF,
Maker, intending to be legally bound hereby, has caused this Note to be duly executed by the undersigned as of the day and year
first above written.


 


	 	BlueRiver Acquisition Corp. a Cayman Islands exempted company
	 	 
	 	By:	/s/Randall Mays
	 	 	Name: Randall Mays
	 	 	
        Title:   Co-Chairman and Chief Financial
        Officer



 






     


     


    

 


SCHEDULE OF BORROWINGS


 


The following increases or decreases in
this Promissory Note have been made:


 


	Date
of Increase or Decrease
	 	Amount of decrease in

                                                                                Principal Amount of this

                                                                                Promissory Note
	 	Amount of increase in

                                                                                Principal Amount of this

                                                                                Promissory Note
	 	Principal Amount of this

                                                                                Promissory Note

                                                                                following such decrease

                                                                                or increase