diff --git a/features/channel/managing_channels/adding_channel.feature b/features/channel/managing_channels/adding_channel.feature
index 30b6d2ef91..aa48daf64c 100644
--- a/features/channel/managing_channels/adding_channel.feature
+++ b/features/channel/managing_channels/adding_channel.feature
@@ -16,6 +16,7 @@ Feature: Adding a new channel
         And I specify its code as "MOBILE"
         And I name it "Mobile channel"
         And I choose "Euro" as the base currency
+        And I make it available in "English (United States)"
         And I choose "English (United States)" as a default locale
         And I select the "Order items based" as tax calculation strategy
         And I add it
@@ -33,6 +34,7 @@ Feature: Adding a new channel
         And I set its contact phone number as "11331122"
         And I define its color as "blue"
         And I choose "Euro" as the base currency
+        And I make it available in "English (United States)"
         And I choose "English (United States)" as a default locale
         And I choose "United States" and "Poland" as operating countries
         And I select the "Order items based" as tax calculation strategy
diff --git a/features/channel/managing_channels/adding_channel_with_shop_billing_data.feature b/features/channel/managing_channels/adding_channel_with_shop_billing_data.feature
index 6c6ea0eee4..dd3e351a7f 100644
--- a/features/channel/managing_channels/adding_channel_with_shop_billing_data.feature
+++ b/features/channel/managing_channels/adding_channel_with_shop_billing_data.feature
@@ -16,6 +16,7 @@ Feature: Adding a new channel with shop billing data
         And I specify its code as "MOBILE"
         And I name it "Mobile channel"
         And I choose "Euro" as the base currency
+        And I make it available in "English (United States)"
         And I choose "English (United States)" as a default locale
         And I select the "Order items based" as tax calculation strategy
         And I specify company as "Ragnarok"
diff --git a/features/channel/managing_channels/adding_new_channel_with_menu_taxon.feature b/features/channel/managing_channels/adding_new_channel_with_menu_taxon.feature
index 943ae8e4aa..899fb6c75f 100644
--- a/features/channel/managing_channels/adding_new_channel_with_menu_taxon.feature
+++ b/features/channel/managing_channels/adding_new_channel_with_menu_taxon.feature
@@ -17,6 +17,7 @@ Feature: Adding a new channel with menu taxon
         And I specify its code as "MOBILE"
         And I name it "Mobile channel"
         And I choose "Euro" as the base currency
+        And I make it available in "English (United States)"
         And I choose "English (United States)" as a default locale
         And I select the "Order items based" as tax calculation strategy
         And I specify menu taxon as "Clothes"
diff --git a/features/channel/managing_channels/choosing_required_address_in_checkout_for_channel.feature b/features/channel/managing_channels/choosing_required_address_in_checkout_for_channel.feature
index 718788f7ce..bd44a3db81 100644
--- a/features/channel/managing_channels/choosing_required_address_in_checkout_for_channel.feature
+++ b/features/channel/managing_channels/choosing_required_address_in_checkout_for_channel.feature
@@ -14,6 +14,7 @@ Feature: Choosing a required address in the checkout for a channel
         And I specify its code as "MOBILE"
         And I name it "Mobile Store"
         And I choose "USD" as the base currency
+        And I make it available in "English (United States)"
         And I choose "English (United States)" as a default locale
         And I select the "Order items based" as tax calculation strategy
         And I choose shipping address as a required address in the checkout
diff --git a/src/Sylius/Behat/Context/Api/Admin/ManagingChannelsContext.php b/src/Sylius/Behat/Context/Api/Admin/ManagingChannelsContext.php
index 4a8d6ed929..e9690cc99c 100644
--- a/src/Sylius/Behat/Context/Api/Admin/ManagingChannelsContext.php
+++ b/src/Sylius/Behat/Context/Api/Admin/ManagingChannelsContext.php
@@ -265,8 +265,8 @@ final class ManagingChannelsContext implements Context
     public function iShouldBeNotifiedThatItHasBeenSuccessfullyCreated(): void
     {
         Assert::true(
-            $this->responseChecker->isCreationSuccessful($this->client->getLastResponse()),
-            'Channel could not be created',
+            $this->responseChecker->isCreationSuccessful($response = $this->client->getLastResponse()),
+            'Channel could not be created: ' . $response->getContent(),
         );
     }
 
diff --git a/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Channel.xml b/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Channel.xml
index 7003380820..5a2dc00909 100644
--- a/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Channel.xml
+++ b/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Channel.xml
@@ -42,6 +42,7 @@
                 <attribute name="normalization_context">
                     <attribute name="groups">admin:channel:read</attribute>
                 </attribute>
+                <attribute name="validation_groups">sylius</attribute>
             </collectionOperation>
         </collectionOperations>
 
@@ -77,6 +78,7 @@
                 <attribute name="normalization_context">
                     <attribute name="groups">admin:channel:read</attribute>
                 </attribute>
+                <attribute name="validation_groups">sylius</attribute>
             </itemOperation>
         </itemOperations>
 
diff --git a/src/Sylius/Bundle/ApiBundle/Resources/config/serialization/Channel.xml b/src/Sylius/Bundle/ApiBundle/Resources/config/serialization/Channel.xml
index df0ba4ce96..92f00cc2b1 100644
--- a/src/Sylius/Bundle/ApiBundle/Resources/config/serialization/Channel.xml
+++ b/src/Sylius/Bundle/ApiBundle/Resources/config/serialization/Channel.xml
@@ -111,5 +111,20 @@
             <group>admin:channel:read</group>
             <group>admin:channel:create</group>
         </attribute>
+        <attribute name="lowestPriceForDiscountedProductsVisible">
+            <group>admin:channel:read</group>
+            <group>admin:channel:create</group>
+            <group>admin:channel:update</group>
+        </attribute>
+        <attribute name="lowestPriceForDiscountedProductsCheckingPeriod">
+            <group>admin:channel:read</group>
+            <group>admin:channel:create</group>
+            <group>admin:channel:update</group>
+        </attribute>
+        <attribute name="taxonsExcludedFromShowingLowestPrice">
+            <group>admin:channel:read</group>
+            <group>admin:channel:create</group>
+            <group>admin:channel:update</group>
+        </attribute>
     </class>
 </serializer>
diff --git a/src/Sylius/Bundle/ApiBundle/Resources/config/services/serializers.xml b/src/Sylius/Bundle/ApiBundle/Resources/config/services/serializers.xml
index 69c63ee9bf..d85303db33 100644
--- a/src/Sylius/Bundle/ApiBundle/Resources/config/services/serializers.xml
+++ b/src/Sylius/Bundle/ApiBundle/Resources/config/services/serializers.xml
@@ -102,5 +102,10 @@
             </argument>
             <tag name="serializer.normalizer"/>
         </service>
+
+        <service id="Sylius\Bundle\ApiBundle\Serializer\ChannelExcludedTaxonsDenormalizer">
+            <argument type="service" id="api_platform.iri_converter" />
+            <tag name="serializer.normalizer" priority="64" />
+        </service>
     </services>
 </container>
diff --git a/src/Sylius/Bundle/ApiBundle/Serializer/ChannelExcludedTaxonsDenormalizer.php b/src/Sylius/Bundle/ApiBundle/Serializer/ChannelExcludedTaxonsDenormalizer.php
new file mode 100644
index 0000000000..bc32287279
--- /dev/null
+++ b/src/Sylius/Bundle/ApiBundle/Serializer/ChannelExcludedTaxonsDenormalizer.php
@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Sylius\Bundle\ApiBundle\Serializer;
+
+use ApiPlatform\Core\Api\IriConverterInterface;
+use Sylius\Component\Core\Model\ChannelInterface;
+use Sylius\Component\Core\Model\TaxonInterface;
+use Symfony\Component\Serializer\Normalizer\ContextAwareDenormalizerInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerAwareInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerAwareTrait;
+use Webmozart\Assert\Assert;
+
+final class ChannelExcludedTaxonsDenormalizer implements ContextAwareDenormalizerInterface, DenormalizerAwareInterface
+{
+    use DenormalizerAwareTrait;
+
+    private const ALREADY_CALLED = 'sylius_channel_excluded_taxons_denormalizer_already_called';
+
+    public function __construct(private IriConverterInterface $iriConverter)
+    {
+    }
+
+    public function supportsDenormalization(mixed $data, string $type, string $format = null, array $context = []): bool
+    {
+        return
+            !isset($context[self::ALREADY_CALLED]) &&
+            is_array($data) &&
+            is_a($type, ChannelInterface::class, true)
+        ;
+    }
+
+    public function denormalize(mixed $data, string $type, string $format = null, array $context = [])
+    {
+        $context[self::ALREADY_CALLED] = true;
+        $data = (array) $data;
+
+        $channel = $this->denormalizer->denormalize($data, $type, $format, $context);
+        Assert::isInstanceOf($channel, ChannelInterface::class);
+
+        $channel->clearTaxonsExcludedFromShowingLowestPrice();
+
+        foreach ($data['taxonsExcludedFromShowingLowestPrice'] ?? [] as $excludedTaxonIri) {
+            /** @var TaxonInterface $taxon */
+            $taxon = $this->iriConverter->getItemFromIri($excludedTaxonIri);
+
+            $channel->addTaxonExcludedFromShowingLowestPrice($taxon);
+        }
+
+        return $channel;
+    }
+}
diff --git a/src/Sylius/Bundle/ApiBundle/spec/Serializer/ChannelExcludedTaxonsDenormalizerSpec.php b/src/Sylius/Bundle/ApiBundle/spec/Serializer/ChannelExcludedTaxonsDenormalizerSpec.php
new file mode 100644
index 0000000000..3f2fcb7fa3
--- /dev/null
+++ b/src/Sylius/Bundle/ApiBundle/spec/Serializer/ChannelExcludedTaxonsDenormalizerSpec.php
@@ -0,0 +1,147 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace spec\Sylius\Bundle\ApiBundle\Serializer;
+
+use ApiPlatform\Core\Api\IriConverterInterface;
+use Doctrine\Common\Collections\ArrayCollection;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+use Sylius\Component\Core\Model\ChannelInterface;
+use Sylius\Component\Core\Model\TaxonInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+
+final class ChannelExcludedTaxonsDenormalizerSpec extends ObjectBehavior
+{
+    private const ALREADY_CALLED = 'sylius_channel_excluded_taxons_denormalizer_already_called';
+
+    function let(IriConverterInterface $iriConverter): void
+    {
+        $this->beConstructedWith($iriConverter);
+    }
+
+    function it_does_not_support_denormalization_when_the_denormalizer_has_already_been_called(): void
+    {
+        $this->supportsDenormalization([], 'string', context: [self::ALREADY_CALLED => true])->shouldReturn(false);
+    }
+
+    function it_does_not_support_denormalization_when_data_is_not_an_array(): void
+    {
+        $this->supportsDenormalization('string', 'string')->shouldReturn(false);
+    }
+
+    function it_does_not_support_denormalization_when_type_is_not_a_channel(): void
+    {
+        $this->supportsDenormalization([], 'string')->shouldReturn(false);
+    }
+
+    function it_throws_an_exception_when_denormalizing_an_object_that_is_not_a_channel(
+        DenormalizerInterface $denormalizer,
+    ): void {
+        $this->setDenormalizer($denormalizer);
+
+        $denormalizer->denormalize([], 'string', null, [self::ALREADY_CALLED => true])->willReturn(new \stdClass());
+
+        $this->shouldThrow(\InvalidArgumentException::class)->during('denormalize', [[], 'string']);
+    }
+
+    function it_adds_excluded_taxons_from_data(
+        DenormalizerInterface $denormalizer,
+        IriConverterInterface $iriConverter,
+        TaxonInterface $firstTaxon,
+        TaxonInterface $secondTaxon,
+        ChannelInterface $channel,
+    ): void {
+        $this->setDenormalizer($denormalizer);
+
+        $data = ['taxonsExcludedFromShowingLowestPrice' => [
+            '/api/v2/taxons/first-new-taxon',
+            '/api/v2/taxons/second-new-taxon',
+        ]];
+
+        $channel->getTaxonsExcludedFromShowingLowestPrice()->willReturn(new ArrayCollection());
+
+        $denormalizer->denormalize($data, 'string', null, [self::ALREADY_CALLED => true])->willReturn($channel);
+
+        $channel->clearTaxonsExcludedFromShowingLowestPrice()->shouldBeCalled();
+
+        $iriConverter->getItemFromIri('/api/v2/taxons/first-new-taxon')->shouldBeCalledTimes(1)->willReturn($firstTaxon);
+        $iriConverter->getItemFromIri('/api/v2/taxons/second-new-taxon')->shouldBeCalledTimes(1)->willReturn($secondTaxon);
+
+        $channel->addTaxonExcludedFromShowingLowestPrice($firstTaxon)->shouldBeCalledTimes(1);
+        $channel->addTaxonExcludedFromShowingLowestPrice($secondTaxon)->shouldBeCalledTimes(1);
+
+        $this->denormalize($data, 'string')->shouldReturn($channel);
+    }
+
+    function it_removes_excluded_taxons_when_data_has_none(
+        DenormalizerInterface $denormalizer,
+        IriConverterInterface $iriConverter,
+        TaxonInterface $firstTaxon,
+        TaxonInterface $secondTaxon,
+        ChannelInterface $channel,
+    ): void {
+        $this->setDenormalizer($denormalizer);
+
+        $data = [];
+
+        $denormalizer->denormalize($data, 'string', null, [self::ALREADY_CALLED => true])->willReturn($channel);
+
+        $channel->getTaxonsExcludedFromShowingLowestPrice()->willReturn(new ArrayCollection([
+            $firstTaxon->getWrappedObject(),
+            $secondTaxon->getWrappedObject(),
+        ]));
+
+        $channel->clearTaxonsExcludedFromShowingLowestPrice()->shouldBeCalled();
+
+        $iriConverter->getItemFromIri(Argument::cetera())->shouldNotBeCalled();
+
+        $channel->addTaxonExcludedFromShowingLowestPrice(Argument::any())->shouldNotBeCalled();
+
+        $this->denormalize($data, 'string')->shouldReturn($channel);
+    }
+
+    function it_replaces_current_excluded_taxons_with_ones_from_data(
+        DenormalizerInterface $denormalizer,
+        IriConverterInterface $iriConverter,
+        TaxonInterface $firstCurrentTaxon,
+        TaxonInterface $secondCurrentTaxon,
+        TaxonInterface $firstNewTaxon,
+        TaxonInterface $secondNewTaxon,
+        ChannelInterface $channel,
+    ): void {
+        $this->setDenormalizer($denormalizer);
+
+        $data = ['taxonsExcludedFromShowingLowestPrice' => [
+            '/api/v2/taxons/first-new-taxon',
+            '/api/v2/taxons/second-new-taxon',
+        ]];
+
+        $denormalizer->denormalize($data, 'string', null, [self::ALREADY_CALLED => true])->willReturn($channel);
+
+        $channel->getTaxonsExcludedFromShowingLowestPrice()->willReturn(new ArrayCollection([
+            $firstCurrentTaxon->getWrappedObject(),
+            $secondCurrentTaxon->getWrappedObject(),
+        ]));
+
+        $channel->clearTaxonsExcludedFromShowingLowestPrice()->shouldBeCalled();
+
+        $iriConverter->getItemFromIri('/api/v2/taxons/first-new-taxon')->shouldBeCalledTimes(1)->willReturn($firstNewTaxon);
+        $iriConverter->getItemFromIri('/api/v2/taxons/second-new-taxon')->shouldBeCalledTimes(1)->willReturn($secondNewTaxon);
+
+        $channel->addTaxonExcludedFromShowingLowestPrice($firstNewTaxon)->shouldBeCalledTimes(1);
+        $channel->addTaxonExcludedFromShowingLowestPrice($secondNewTaxon)->shouldBeCalledTimes(1);
+
+        $this->denormalize($data, 'string')->shouldReturn($channel);
+    }
+}
diff --git a/src/Sylius/Bundle/ChannelBundle/Resources/translations/validators.en.yml b/src/Sylius/Bundle/ChannelBundle/Resources/translations/validators.en.yml
index 3346274b6b..906fde7a00 100644
--- a/src/Sylius/Bundle/ChannelBundle/Resources/translations/validators.en.yml
+++ b/src/Sylius/Bundle/ChannelBundle/Resources/translations/validators.en.yml
@@ -4,5 +4,8 @@ sylius:
             not_blank: Please enter channel code.
             regex: Channel code can only be comprised of letters, numbers, dashes and underscores.
             unique: Channel code has to be unique.
+        lowest_price_for_discounted_products_checking_period:
+            greater_than: 'Value must be greater than {{ compared_value }}'
+            less_than: 'Value must be less than {{ compared_value }}'
         name:
             not_blank: Please enter channel name.
diff --git a/src/Sylius/Bundle/CoreBundle/Resources/config/services/price_history/listeners.xml b/src/Sylius/Bundle/CoreBundle/Resources/config/services/price_history/listeners.xml
index cf26195259..75ad7b5310 100644
--- a/src/Sylius/Bundle/CoreBundle/Resources/config/services/price_history/listeners.xml
+++ b/src/Sylius/Bundle/CoreBundle/Resources/config/services/price_history/listeners.xml
@@ -24,7 +24,7 @@
             <argument type="service" id="Sylius\Bundle\CoreBundle\PriceHistory\Processor\ProductLowestPriceBeforeDiscountProcessorInterface" />
             <argument type="service" id="sylius.repository.channel_pricing" />
             <argument>%sylius_core.price_history.batch_size%</argument>
-            <tag name="sylius_price_history.entity_observer" />
+            <tag name="sylius.entity_observer" />
         </service>
 
         <service id="sylius.listener.channel_pricing_change" class="Sylius\Bundle\CoreBundle\PriceHistory\EventListener\OnFlushEntityObserverListener">
diff --git a/src/Sylius/Bundle/CoreBundle/Resources/config/validation/Channel.xml b/src/Sylius/Bundle/CoreBundle/Resources/config/validation/Channel.xml
index 6f68d60d52..986a21647b 100644
--- a/src/Sylius/Bundle/CoreBundle/Resources/config/validation/Channel.xml
+++ b/src/Sylius/Bundle/CoreBundle/Resources/config/validation/Channel.xml
@@ -54,5 +54,32 @@
                 </option>
             </constraint>
         </property>
+        <getter property="lowestPriceForDiscountedProductsCheckingPeriod">
+            <constraint name="NotNull">
+                <option name="groups">
+                    <value>sylius</value>
+                </option>
+            </constraint>
+            <constraint name="Type">
+                <option name="value">int</option>
+                <option name="groups">
+                    <value>sylius</value>
+                </option>
+            </constraint>
+            <constraint name="LessThan">
+                <option name="value">2147483647</option>
+                <option name="groups">
+                    <value>sylius</value>
+                </option>
+                <option name="message">sylius.channel.lowest_price_for_discounted_products_checking_period.less_than</option>
+            </constraint>
+            <constraint name="GreaterThan">
+                <option name="value">0</option>
+                <option name="groups">
+                    <value>sylius</value>
+                </option>
+                <option name="message">sylius.channel.lowest_price_for_discounted_products_checking_period.greater_than</option>
+            </constraint>
+        </getter>
     </class>
 </constraint-mapping>