<?xml version="1.0" encoding="UTF-8"?><ns2:edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns:ns2="http://www.sec.gov/edgar/ownership">
    <ns2:headerData>
        <ns2:submissionType>144</ns2:submissionType>
        <ns2:filerInfo>
            <ns2:filer>
                <ns2:filerCredentials>
                    <ns2:cik>0001818851</ns2:cik>
                    <ns2:ccc>XXXXXXXX</ns2:ccc>
                </ns2:filerCredentials>
            </ns2:filer>
            <ns2:liveTestFlag>LIVE</ns2:liveTestFlag>



        </ns2:filerInfo>
    </ns2:headerData>
    <ns2:formData>
        <ns2:issuerInfo>
            <ns2:issuerCik>0001806837</ns2:issuerCik>
            <ns2:issuerName>Vertex, Inc.</ns2:issuerName>
            <ns2:secFileNumber>001-39413</ns2:secFileNumber>
            <ns2:issuerAddress>
                <com:street1>2301 Renaissance Blvd</com:street1>
                <com:city>King Of Prussia</com:city>
                <com:stateOrCountry>PA</com:stateOrCountry>
                <com:zipCode>19406</com:zipCode>
            </ns2:issuerAddress>
            <ns2:issuerContactPhone>1-844-204-7325</ns2:issuerContactPhone>
            <ns2:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Jeffrey Westphal</ns2:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <ns2:relationshipsToIssuer>
                <ns2:relationshipToIssuer>10% Stockholder</ns2:relationshipToIssuer>
            </ns2:relationshipsToIssuer>
        </ns2:issuerInfo>
        <ns2:securitiesInformation>
            <ns2:securitiesClassTitle>Class A Common Stock</ns2:securitiesClassTitle>
            <ns2:brokerOrMarketmakerDetails>
                <ns2:name>Goldman Sachs &amp; Co. LLC</ns2:name>
                <ns2:address>
                    <com:street1>200 West Street</com:street1>
                    <com:city>New York</com:city>
                    <com:stateOrCountry>NY</com:stateOrCountry>
                    <com:zipCode>10282</com:zipCode>
                </ns2:address>
            </ns2:brokerOrMarketmakerDetails>
            <ns2:noOfUnitsSold>124770</ns2:noOfUnitsSold>
            <ns2:aggregateMarketValue>4189776.6</ns2:aggregateMarketValue>
            <ns2:noOfUnitsOutstanding>60916071</ns2:noOfUnitsOutstanding>
            <ns2:approxSaleDate>03/01/2024</ns2:approxSaleDate>
            <ns2:securitiesExchangeName>NASD</ns2:securitiesExchangeName>
        </ns2:securitiesInformation>
        <ns2:securitiesToBeSold>
            <ns2:securitiesClassTitle>Class A Common Stock</ns2:securitiesClassTitle>
            <ns2:acquiredDate>12/22/2009</ns2:acquiredDate>
            <ns2:natureOfAcquisitionTransaction>Acquired as a Gift</ns2:natureOfAcquisitionTransaction>
            <ns2:nameOfPersonfromWhomAcquired>Rainer J. Westphal</ns2:nameOfPersonfromWhomAcquired>
            <ns2:isGiftTransaction>Y</ns2:isGiftTransaction>
            <ns2:donarAcquiredDate>12/22/2009</ns2:donarAcquiredDate>
            <ns2:amountOfSecuritiesAcquired>124770</ns2:amountOfSecuritiesAcquired>
            <ns2:paymentDate>12/22/2009</ns2:paymentDate>
            <ns2:natureOfPayment>None</ns2:natureOfPayment>
        </ns2:securitiesToBeSold>
        <ns2:nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</ns2:nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <ns2:remarks>All 124,770 shares sold by The 2009 Jeffrey R. Westphal Generation-Skipping Trust</ns2:remarks>
        <ns2:noticeSignature>
            <ns2:noticeDate>03/01/2024</ns2:noticeDate>
            <ns2:planAdoptionDates/>
            <ns2:signature>Goldman Sachs &amp; Co. LLC on behalf of Jeffrey Westphal</ns2:signature>
        </ns2:noticeSignature>
    </ns2:formData>
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144
0001818851
XXXXXXXX
LIVE
0001806837
Vertex, Inc.
001-39413
2301 Renaissance Blvd
King Of Prussia
PA
19406
1-844-204-7325
Jeffrey Westphal
10% Stockholder
Class A Common Stock
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
124770
4189776.6
60916071
03/01/2024
NASD
Class A Common Stock
12/22/2009
Acquired as a Gift
Rainer J. Westphal
Y
12/22/2009
124770
12/22/2009
None
Y
All 124,770 shares sold by The 2009 Jeffrey R. Westphal Generation-Skipping Trust
03/01/2024
Goldman Sachs & Co. LLC on behalf of Jeffrey Westphal