To update inventory for specific room(s) and specific period, please use following XML request:
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://www.opentravel.org/OTA/2003/05"
xmlns:ns2="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-in-
stance">
<SOAP-ENV:Header>
<ns2:Security>
<ns2:UsernameToken>
<ns2:Username>username</ns2:Username>
<ns2:Password xsi:type="ns2:http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText">password</ns2:Password>
</ns2:UsernameToken>
</ns2:Security>
</SOAP-ENV:Header>
<SOAP-ENV:Body>
<ns1:OTA_HotelRateAmountNotifRQ EchoToken="MYPMS1" TimeStamp="2008-12-03T08:05:40+00:00" Version="1.006">
<RateAmountMessages HotelCode="1">
<RateAmountMessage>
<StatusApplicationControl Start="2026-09-11" End="2026-10-11" InvTypeCode="11" />
<Rates>
<Rate>
<BaseByGuestAmts>
<BaseByGuestAmt NumberOfGuests="1" AmountAfterTax="100"/>
</BaseByGuestAmts>
</Rate>
</Rates>
</RateAmountMessage>
<RateAmountMessage>
<StatusApplicationControl Start="2026-09-01" End="2026-09-05" InvTypeCode="11" />
<Rates>
<Rate>
<BaseByGuestAmts>
<BaseByGuestAmt NumberOfGuests="2" AmountAfterTax="150"/>
</BaseByGuestAmts>
</Rate>
</Rates>
</RateAmountMessage>
</RateAmountMessages>
</ns1:OTA_HotelRateAmountNotifRQ>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
If the update was successful, a response will look like this
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:ns2="http://www.opentravel.org/OTA/2003/05">
<SOAP-ENV:Body>
<OTA_HotelRateAmountNotifRS Version="1.000" EchoToken="MYPMS001" TimeStamp="2024-06-17T10:18:04+02:00">
<Success/>
</OTA_HotelRateAmountNotifRS>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
Upon receiving new prices, WebBookingPro is syncing all connected channels.