<SEC-DOCUMENT>0001514416-25-000052.txt : 20250314
<SEC-HEADER>0001514416-25-000052.hdr.sgml : 20250314
<ACCEPTANCE-DATETIME>20250314162932
ACCESSION NUMBER:		0001514416-25-000052
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250314
FILED AS OF DATE:		20250314
DATE AS OF CHANGE:		20250314

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Morken David A.
		CENTRAL INDEX KEY:			0001721962
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		25740438

	MAIL ADDRESS:	
		STREET 1:		C/O BANDWIDTH INC.
		STREET 2:		2230 BANDMATE WAY
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bandwidth Inc.
		CENTRAL INDEX KEY:			0001514416
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2230 BANDMATE WAY
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
		BUSINESS PHONE:		800-808-5150

	MAIL ADDRESS:	
		STREET 1:		2230 BANDMATE WAY
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bandwidth.com, Inc.
		DATE OF NAME CHANGE:	20110303
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1741984166.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-03-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001514416</issuerCik>
        <issuerName>Bandwidth Inc.</issuerName>
        <issuerTradingSymbol>BAND</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001721962</rptOwnerCik>
            <rptOwnerName>Morken David A.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BANDWIDTH INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2230 BANDMATE WAY</rptOwnerStreet2>
            <rptOwnerCity>RALEIGH</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27607</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>142439</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This transaction involved the Reporting Person's gift of shares of Bandwidth Inc. Class A Common Stock to an irrevocable trust for which he does not exercise or share voting or investment control. The Reporting Person disclaims beneficial ownership of the securities held by the trust, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner for the purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Leah Webb, Attorney-in-Fact for David A. Morken</signatureName>
        <signatureDate>2025-03-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
