Exhibit 10.6

EXECUTION VERSION

SECOND AMENDMENT TO REVOLVING CREDIT AGREEMENT

This SECOND AMENDMENT (this “Amendment”), dated as of November 9, 2020, to the Revolving Credit Agreement dated as of May 1, 2020 (as amended by the First Amendment to Revolving Credit Agreement, dated as of May 28, 2020 and as further amended, supplemented, amended and restated or otherwise modified from time to time, the “Credit Agreement”), among Square, Inc. (the “Borrower”), the several banks and other financial institutions or entities from time to time party thereto (the “Lenders”), and Goldman Sachs Bank USA., as Administrative Agent (in such capacity, the “Administrative Agent”).

W I T N E S S E T H :

WHEREAS, the parties hereto are parties to the Credit Agreement;

WHEREAS, the Borrower requests that the Lenders agree to certain amendments to the Credit Agreement;

NOW, THEREFORE, in consideration of the premises and of the mutual covenants herein contained and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties hereto agree as follows:

SECTION 1. DEFINITIONS. Unless otherwise defined herein, capitalized terms which are defined in the Credit Agreement are used herein as therein defined.

SECTION 2. AMENDMENTS. On the Effective Date (as defined below), the Credit Agreement is hereby amended as follows:

(a) Section 6.01(e) of the Credit Agreement is hereby amended and restated in its entirety as follows:

“(e) any Permitted Convertible Indebtedness in an aggregate principal amount not to exceed $3,600,000,000 at any time outstanding; provided that no Default or Event of Default has occurred and is continuing at the time of issuance of such Indebtedness;”

SECTION 3. CONDITIONS PRECEDENT TO EFFECTIVENESS. This Amendment shall become effective on the date (the “Effective Date”) on which all of the following conditions have been satisfied or waived:

(a) Execution and Delivery. The Administrative Agent shall have received counterparts of this Amendment duly executed by (i) the Borrower and (ii) the Required Lenders.

(b) No Default. Both prior to and after giving effect to this Amendment, no Default or Event of Default shall have occurred and be continuing on the Effective Date.

(c) Representations and Warranties. As of the Effective Date (both prior to and after giving effect to this Amendment) all representations and warranties contained in Section 3 of the Credit Agreement shall be true and correct in all material respects, except that (i) the representations and warranties contained in Section 3.04(a) of the Credit Agreement shall be deemed to refer to the most recent statements furnished pursuant to clauses (a) and (b) (subject, in the case of unaudited financial statements furnished pursuant to clause (b), to year-end audit adjustments and the absence of footnotes), respectively, of Section 5.01 of the Credit Agreement,

(ii) to the extent that such representations and warranties specifically refer to an earlier date, they shall be true and correct in all material respects as of such earlier date and (iii) to the extent that such representations and warranties are already qualified or modified by materiality in the text thereof, they shall be true and correct in all respects.

For the purpose of determining compliance with the conditions specified in this Section 3, each Lender that has signed this Amendment shall be deemed to have accepted, and to be satisfied with, each document or other matter required under this Section 3.

SECTION 4. REPRESENTATIONS AND WARRANTIES. In order to induce the Required Lenders to enter into this Amendment, the Borrower hereby represents and warrants to the Required Lenders that (a) this Amendment has been duly authorized by all necessary corporate actions on the part of the Borrower and, if required, actions by equity holders of the Borrower and (b) this Amendment has been duly executed and delivered by the Borrower and constitutes a legal, valid and binding obligation of the Borrower, enforceable in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other laws affecting creditors’ rights generally and subject to general principles of equity, regardless of whether considered in a proceeding in equity or at law.

SECTION 5. CONTINUING EFFECT. Except as expressly amended, waived or modified hereby, the Loan Documents shall continue to be and shall remain in full force and effect in accordance with their respective terms. This Amendment shall not constitute an amendment, waiver or modification of any provision of any Loan Document not expressly referred to herein and shall not be construed as an amendment, waiver or modification of any action on the part of the Borrower or the other Loan Parties that would require an amendment, waiver or consent of the Administrative Agent or the Lenders except as expressly stated herein, or be construed to indicate the willingness of the Administrative Agent or the Lenders to further amend, waive or modify any provision of any Loan Document amended, waived or modified hereby for any other period, circumstance or event. Except as expressly modified by this Amendment, the Credit Agreement and the other Loan Documents are ratified and confirmed and are, and shall continue to be, in full force and effect in accordance with their respective terms. Except as expressly set forth herein, each Lender and the Administrative Agent reserves all of its rights, remedies, powers and privileges under the Credit Agreement, the other Loan Documents, applicable law and/or equity. Any reference to the “Credit Agreement” in any Loan Document or any related documents shall be deemed to be a reference to the Credit Agreement as amended by this Amendment and the term “Loan Documents” in the Credit Agreement and the other Loan Documents shall include this Amendment.

SECTION 6. GOVERNING LAW. THIS AMENDMENT SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

SECTION 7. SUCCESSORS AND ASSIGNS. This Amendment shall be binding upon and inure to the benefit of the Borrower, the other Loan Parties, the Administrative Agent, the other Agents and the Lenders, and each of their respective successors and assigns, and shall not inure to the benefit of any third parties. The execution and delivery of this Amendment by any Lender prior to the Effective Date shall be binding upon its successors and assigns and shall be effective as to any Loans or Commitments assigned to it after such execution and delivery.

SECTION 8. ENTIRE AGREEMENT. This Amendment, the Credit Agreement and the other Loan Documents represent the entire agreement of the Loan Parties, the Administrative Agent, the Agents and the Lenders, as applicable, with respect to the subject matter hereof and thereof, and there are no promises, undertakings, representations or warranties by the Administrative Agent, any other Agent or any Lender relative to the subject matter hereof not expressly set forth or referred to herein or in the Credit Agreement or the other Loan Documents.

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SECTION 9. LOAN DOCUMENT. This Amendment is a Loan Document executed pursuant to the Credit Agreement and shall (unless otherwise expressly indicated herein) be construed, administered and applied in accordance with the terms and provisions of the Credit Agreement.

SECTION 10. COUNTERPARTS; ELECTRONIC SIGNATURES. This Amendment may be executed by the parties hereto in any number of separate counterparts and all of said counterparts taken together shall be deemed to constitute one and the same instrument. An executed signature page of this Amendment may be delivered by facsimile transmission or electronic PDF of the relevant signature page hereof. This Amendment and the transactions contemplated hereby shall be deemed to include electronic signatures, deliveries or the keeping of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature, physical delivery thereof or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act.

SECTION 11. HEADINGS. Section headings used in this Amendment are for convenience of reference only, are not part of this Amendment and are not to affect the construction of, or to be taken into consideration in interpreting, this Amendment.

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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed and delivered by their duly authorized officers as of the date first written above.

[Signature Page to Second Amendment]

[Signature Page to Second Amendment]

[Signature Page to Second Amendment]

[Signature Page to Second Amendment]