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        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001405026</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001514416</issuerCik>
            <issuerName>BANDWIDTH INC.</issuerName>
            <secFileNumber>001-38285</secFileNumber>
            <issuerAddress>
                <ns2:street1>2230 Bandmate Way</ns2:street1>
                <ns2:city>Raleigh</ns2:city>
                <ns2:stateOrCountry>NC</ns2:stateOrCountry>
                <ns2:zipCode>27607</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(800) 808-5150</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DARYL EDWARD RAIFORD</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>64849</noOfUnitsSold>
            <aggregateMarketValue>1015102.51</aggregateMarketValue>
            <noOfUnitsOutstanding>26665744</noOfUnitsOutstanding>
            <approxSaleDate>03/03/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/30/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2400</amountOfSecuritiesAcquired>
            <paymentDate>05/30/2024</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/25/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2337</amountOfSecuritiesAcquired>
            <paymentDate>05/24/2024</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/28/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>48349</amountOfSecuritiesAcquired>
            <paymentDate>02/28/2025</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/30/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>11763</amountOfSecuritiesAcquired>
            <paymentDate>05/30/2024</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Daryl Raiford</name>
                <address>
                    <ns2:street1>2230 Bandmate Way</ns2:street1>
                    <ns2:city>Raleigh</ns2:city>
                    <ns2:stateOrCountry>NC</ns2:stateOrCountry>
                    <ns2:zipCode>27607</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>01/06/2025</saleDate>
            <amountOfSecuritiesSold>1305</amountOfSecuritiesSold>
            <grossProceeds>22693.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Daryl Raiford</name>
                <address>
                    <ns2:street1>2230 Bandmate Way</ns2:street1>
                    <ns2:city>Raleigh</ns2:city>
                    <ns2:stateOrCountry>NC</ns2:stateOrCountry>
                    <ns2:zipCode>27607</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/29/2024</saleDate>
            <amountOfSecuritiesSold>10349</amountOfSecuritiesSold>
            <grossProceeds>219916.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Daryl Raiford</name>
                <address>
                    <ns2:street1>2230 Bandmate Way</ns2:street1>
                    <ns2:city>Raleigh</ns2:city>
                    <ns2:stateOrCountry>NC</ns2:stateOrCountry>
                    <ns2:zipCode>27607</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/02/2024</saleDate>
            <amountOfSecuritiesSold>4371</amountOfSecuritiesSold>
            <grossProceeds>87786.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>03/03/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Daryl Raiford</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001405026
XXXXXXXX
LIVE
0001514416
BANDWIDTH INC.
001-38285
2230 Bandmate Way
Raleigh
NC
27607
(800) 808-5150
DARYL EDWARD RAIFORD
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
64849
1015102.51
26665744
03/03/2025
NASDAQ
Common
05/30/2024
Restricted stock vesting under a registered plan
Issuer
N
2400
05/30/2024
Services Rendered
Common
05/25/2024
Restricted stock vesting under a registered plan
Issuer
N
2337
05/24/2024
Services Rendered
Common
02/28/2025
Restricted stock vesting under a registered plan
Issuer
N
48349
02/28/2025
Services Rendered
Common
05/30/2024
Restricted stock vesting under a registered plan
Issuer
N
11763
05/30/2024
Services Rendered
N
Daryl Raiford
2230 Bandmate Way
Raleigh
NC
27607
Common
01/06/2025
1305
22693.00
Daryl Raiford
2230 Bandmate Way
Raleigh
NC
27607
Common
12/29/2024
10349
219916.00
Daryl Raiford
2230 Bandmate Way
Raleigh
NC
27607
Common
12/02/2024
4371
87786.00
03/03/2025
/s/ Daryl Raiford