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    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

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        <entityName>Obopay, Inc.</entityName>
        <issuerAddress>
            <street1>275 SHORELINE DRIVE</street1>
            <street2>SUITE 400</street2>
            <city>REDWOOD CITY</city>
            <stateOrCountry>CA</stateOrCountry>
            <zipCode>94065</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>650-264-2000</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Ultralight FS, Inc.</previousName>
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        <edgarPreviousNameList>
            <previousName>Obopay Inc</previousName>
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        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2005</value>
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                <firstName>Carol</firstName>
                <lastName>Realini</lastName>
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                <street2>275 Shoreline Dr., Suite 400</street2>
                <city>Redwood City</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94065</zipCode>
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                <relationship>Director</relationship>
                <relationship>Promoter</relationship>
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        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Judith</firstName>
                <middleName>M.</middleName>
                <lastName>O'Brien</lastName>
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                <street2>275 Shoreline Dr., Suite 400</street2>
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                <zipCode>94065</zipCode>
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                <firstName>Tyler</firstName>
                <lastName>Sloat</lastName>
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                <zipCode>94065</zipCode>
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            <relatedPersonName>
                <firstName>Allen</firstName>
                <lastName>Beasley</lastName>
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                <street1>c/o Obopay, Inc.</street1>
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                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94065</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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                <firstName>Robert</firstName>
                <lastName>Hottensen</lastName>
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                <zipCode>94065</zipCode>
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            <relatedPersonName>
                <firstName>Peter</firstName>
                <lastName>Kellner</lastName>
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                <street2>275 Shoreline Dr., Suite 400</street2>
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                <zipCode>94065</zipCode>
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            <relatedPersonName>
                <firstName>Susan</firstName>
                <lastName>Mason</lastName>
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                <zipCode>94065</zipCode>
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                <firstName>Teppo</firstName>
                <lastName>Paavola</lastName>
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                <zipCode>94065</zipCode>
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                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Somasundaram</firstName>
                <lastName>Subramaniam</lastName>
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                <street1>c/o Obopay, Inc.</street1>
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                <zipCode>94065</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bruce</firstName>
                <lastName>Bowden</lastName>
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                <street1>c/o Obopay, Inc.</street1>
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                <zipCode>94065</zipCode>
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                <firstName>Olivier</firstName>
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            <relatedPersonName>
                <firstName>Deepak</firstName>
                <lastName>Chandnani</lastName>
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                <zipCode>94065</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christopher</firstName>
                <lastName>Martin</lastName>
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                <zipCode>94065</zipCode>
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            <relatedPersonRelationshipList>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Dilip</firstName>
                <lastName>Nagaraja</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
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                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94065</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relationshipClarification></relationshipClarification>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Other Technology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-01-19</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
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        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>25314973</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>25314973</totalRemaining>
            <clarificationOfResponse>No cash received upon issuance of warrant; up to $25,314,973 to be received upon exercise of warrant.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
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        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Obopay, Inc.</issuerName>
                <signatureName>/s/ Judith M. O'Brien</signatureName>
                <nameOfSigner>Judith M. O'Brien</nameOfSigner>
                <signatureTitle>Executive Vice President and General Counsel</signatureTitle>
                <signatureDate>2010-01-25</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
