diff --git a/src/main/kotlin/com/ecwid/apiclient/v3/dto/customergroup/request/CustomerGroupsSearchRequest.kt b/src/main/kotlin/com/ecwid/apiclient/v3/dto/customergroup/request/CustomerGroupsSearchRequest.kt
index 61d54bcd0..e968cf3f5 100644
--- a/src/main/kotlin/com/ecwid/apiclient/v3/dto/customergroup/request/CustomerGroupsSearchRequest.kt
+++ b/src/main/kotlin/com/ecwid/apiclient/v3/dto/customergroup/request/CustomerGroupsSearchRequest.kt
@@ -7,6 +7,8 @@ import com.ecwid.apiclient.v3.responsefields.ResponseFields
 data class CustomerGroupsSearchRequest(
 	val offset: Int = 0,
 	val limit: Int = 100,
+	val keyword: String? = null,
+	val customerGroupIds: List<Int>? = null,
 	val responseFields: ResponseFields = ResponseFields.All,
 ) : ApiRequest {
 	override fun toRequestInfo() = RequestInfo.createGetRequest(
@@ -22,6 +24,12 @@ data class CustomerGroupsSearchRequest(
 		return mutableMapOf<String, String>().apply {
 			put("offset", request.offset.toString())
 			put("limit", request.limit.toString())
+			if (!request.keyword.isNullOrBlank()) {
+				put("keyword", request.keyword)
+			}
+			if (!request.customerGroupIds.isNullOrEmpty()) {
+				put("customerGroupIds", request.customerGroupIds.joinToString(","))
+			}
 		}.toMap()
 	}
 }
diff --git a/src/test/kotlin/com/ecwid/apiclient/v3/entity/CustomerGroupsTest.kt b/src/test/kotlin/com/ecwid/apiclient/v3/entity/CustomerGroupsTest.kt
index f19426e18..a4145afaa 100644
--- a/src/test/kotlin/com/ecwid/apiclient/v3/entity/CustomerGroupsTest.kt
+++ b/src/test/kotlin/com/ecwid/apiclient/v3/entity/CustomerGroupsTest.kt
@@ -9,6 +9,9 @@ import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 
+const val TEST_SEARCH_PHRASE = "Test"
+const val TEST_CUSTOMER_GROUP = "Customer group"
+
 class CustomerGroupsTest : BaseEntityTest() {
 
 	@BeforeEach
@@ -61,10 +64,11 @@ class CustomerGroupsTest : BaseEntityTest() {
 
 	@Test
 	fun testSearchPaging() {
-		// Create three customer groups additionally to always existing “General” group
-		repeat(3) {
+		// Create 6 customer groups to test paging
+		val customerGroups = generateSearchTestCustomerGroups()
+		repeat(customerGroups.size) {
 			val customerGroupCreateRequest = CustomerGroupCreateRequest(
-				newCustomerGroup = generateTestCustomerGroup()
+				newCustomerGroup = customerGroups[it]
 			)
 			val customerGroupCreateResult = apiClient.createCustomerGroup(customerGroupCreateRequest)
 			assertTrue(customerGroupCreateResult.id > 0)
@@ -73,19 +77,53 @@ class CustomerGroupsTest : BaseEntityTest() {
 		// Trying to request first page
 		val customerGroupsSearchRequest1 = CustomerGroupsSearchRequest(offset = 0, limit = 2)
 		val customerGroupsSearchResult1 = apiClient.searchCustomerGroups(customerGroupsSearchRequest1)
-		assertEquals(2 + 1, customerGroupsSearchResult1.count) // “General” group exists is on every page
-		assertEquals(3, customerGroupsSearchResult1.total)
+		assertEquals(2, customerGroupsSearchResult1.count) // “General” group exists only of first page
+		assertEquals(7, customerGroupsSearchResult1.total)
 
 		// Trying to request second and the last page
-		val customerGroupsSearchRequest2 = CustomerGroupsSearchRequest(offset = 2, limit = 2)
+		val customerGroupsSearchRequest2 = CustomerGroupsSearchRequest(offset = 6, limit = 2)
 		val customerGroupsSearchResult2 = apiClient.searchCustomerGroups(customerGroupsSearchRequest2)
-		assertEquals(1 + 1, customerGroupsSearchResult2.count) // “General” group exists is on every page
-		assertEquals(3, customerGroupsSearchResult2.total)
+		assertEquals(1, customerGroupsSearchResult2.count) // “General” group exists only of first page
+		assertEquals(7, customerGroupsSearchResult2.total)
+
+		// test by keyword "Customer group"
+		val customerGroupsSearchRequest3 = CustomerGroupsSearchRequest(
+			keyword = TEST_CUSTOMER_GROUP,
+		)
+		val customerGroupsSearchResult3 = apiClient.searchCustomerGroups(customerGroupsSearchRequest3)
+		assertEquals(true, customerGroupsSearchResult3.items.all { it.name.contains(TEST_CUSTOMER_GROUP) })
+
+		// test by keyword "Test"
+		val customerGroupsSearchRequest4 = CustomerGroupsSearchRequest(
+			keyword = TEST_SEARCH_PHRASE,
+		)
+		val customerGroupsSearchResult4 = apiClient.searchCustomerGroups(customerGroupsSearchRequest4)
+		assertEquals(true, customerGroupsSearchResult4.items.all { it.name.contains(TEST_SEARCH_PHRASE) })
+
+		val testGroupIds = customerGroupsSearchResult4.items.map { it.id }
+
+		// test by customerGroupIds
+		val customerGroupsSearchRequest5 = CustomerGroupsSearchRequest(
+			customerGroupIds = testGroupIds,
+		)
+		val customerGroupsSearchResult5 = apiClient.searchCustomerGroups(customerGroupsSearchRequest5)
+		assertEquals(testGroupIds.size, customerGroupsSearchResult5.total)
+		assertEquals(testGroupIds, customerGroupsSearchResult5.items.map { it.id })
+
 	}
 }
 
 private fun generateTestCustomerGroup(): UpdatedCustomerGroup {
 	return UpdatedCustomerGroup(
-		name = "Customer group " + randomAlphanumeric(8)
+		name = "$TEST_CUSTOMER_GROUP " + randomAlphanumeric(8)
 	)
 }
+
+private fun generateSearchTestCustomerGroups(): List<UpdatedCustomerGroup> {
+	val result = mutableListOf<UpdatedCustomerGroup>()
+	repeat(3) {
+		result.add(UpdatedCustomerGroup("$TEST_CUSTOMER_GROUP $it"))
+		result.add(UpdatedCustomerGroup("$TEST_SEARCH_PHRASE $it"))
+	}
+	return result
+}
diff --git a/src/test/kotlin/com/ecwid/apiclient/v3/rule/NullablePropertyRules.kt b/src/test/kotlin/com/ecwid/apiclient/v3/rule/NullablePropertyRules.kt
index a67c40c35..2b2d1ad38 100644
--- a/src/test/kotlin/com/ecwid/apiclient/v3/rule/NullablePropertyRules.kt
+++ b/src/test/kotlin/com/ecwid/apiclient/v3/rule/NullablePropertyRules.kt
@@ -6,6 +6,7 @@ import com.ecwid.apiclient.v3.dto.batch.result.GetEscapedBatchResult
 import com.ecwid.apiclient.v3.dto.batch.result.GetTypedBatchResult
 import com.ecwid.apiclient.v3.dto.cart.result.CartUpdateResult
 import com.ecwid.apiclient.v3.dto.cart.result.ConvertCartToOrderResult
+import com.ecwid.apiclient.v3.dto.customergroup.request.CustomerGroupsSearchRequest
 import com.ecwid.apiclient.v3.dto.instantsite.redirects.request.InstantSiteRedirectsGetForExactPathRequest
 import com.ecwid.apiclient.v3.dto.instantsite.redirects.request.InstantSiteRedirectsSearchRequest
 import com.ecwid.apiclient.v3.dto.order.result.DeletedOrder
@@ -132,6 +133,9 @@ val otherNullablePropertyRules: List<NullablePropertyRule<*, *>> = listOf(
 	AllowNullable(InstantSiteRedirectsGetForExactPathRequest::exactPath),
 
 	AllowNullable(UpdatedProductReviewStatus::status),
+
+	AllowNullable(CustomerGroupsSearchRequest::keyword),
+	AllowNullable(CustomerGroupsSearchRequest::customerGroupIds),
 )
 
 val nullablePropertyRules: List<NullablePropertyRule<*, *>> = listOf(