diff --git a/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/get/GetBusinessConnection.kt b/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/get/GetBusinessConnection.kt
index e2e6344cb4..d6e6603bce 100644
--- a/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/get/GetBusinessConnection.kt
+++ b/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/get/GetBusinessConnection.kt
@@ -7,7 +7,7 @@ import dev.inmo.tgbotapi.types.business_connection.BusinessConnectionId
 
 suspend fun TelegramBot.getBusinessConnection(
     id: BusinessConnectionId
-) = execute(GetBusinessConnection(id = id))
+) = execute(GetBusinessConnection(businessConnectionId = id))
 
 @Warning("This method may lead to error due to raw String type usage")
 suspend fun TelegramBot.getBusinessConnection(
diff --git a/tgbotapi.core/api/tgbotapi.core.api b/tgbotapi.core/api/tgbotapi.core.api
index d9dc787a13..997841651f 100644
--- a/tgbotapi.core/api/tgbotapi.core.api
+++ b/tgbotapi.core/api/tgbotapi.core.api
@@ -4158,14 +4158,15 @@ public final class dev/inmo/tgbotapi/requests/games/abstracts/SetGameScore$Defau
 	public static fun method (Ldev/inmo/tgbotapi/requests/games/abstracts/SetGameScore;)Ljava/lang/String;
 }
 
-public final class dev/inmo/tgbotapi/requests/get/GetBusinessConnection : dev/inmo/tgbotapi/requests/abstracts/SimpleRequest {
+public final class dev/inmo/tgbotapi/requests/get/GetBusinessConnection : dev/inmo/tgbotapi/abstracts/types/WithBusinessConnectionId, dev/inmo/tgbotapi/requests/abstracts/SimpleRequest {
 	public static final field Companion Ldev/inmo/tgbotapi/requests/get/GetBusinessConnection$Companion;
 	public synthetic fun <init> (Ljava/lang/String;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public final fun component1-T-_HSQI ()Ljava/lang/String;
 	public final fun copy-SYn5crI (Ljava/lang/String;)Ldev/inmo/tgbotapi/requests/get/GetBusinessConnection;
 	public static synthetic fun copy-SYn5crI$default (Ldev/inmo/tgbotapi/requests/get/GetBusinessConnection;Ljava/lang/String;ILjava/lang/Object;)Ldev/inmo/tgbotapi/requests/get/GetBusinessConnection;
 	public fun equals (Ljava/lang/Object;)Z
-	public final fun getId-T-_HSQI ()Ljava/lang/String;
+	public fun getBusinessConnectionId-T-_HSQI ()Ljava/lang/String;
+	public synthetic fun getBusinessConnectionId-nXr5wdE ()Ljava/lang/String;
 	public fun getRequestSerializer ()Lkotlinx/serialization/SerializationStrategy;
 	public fun getResultDeserializer ()Lkotlinx/serialization/DeserializationStrategy;
 	public fun hashCode ()I
@@ -11879,17 +11880,17 @@ public final class dev/inmo/tgbotapi/types/business_connection/BusinessLocation$
 
 public final class dev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted : dev/inmo/tgbotapi/abstracts/types/WithBusinessConnectionId {
 	public static final field Companion Ldev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted$Companion;
-	public synthetic fun <init> (Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewChat;JLkotlin/jvm/internal/DefaultConstructorMarker;)V
+	public synthetic fun <init> (Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewChat;Ljava/util/List;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public final fun component1-T-_HSQI ()Ljava/lang/String;
 	public final fun component2 ()Ldev/inmo/tgbotapi/types/chat/PreviewChat;
-	public final fun component3-APLFQys ()J
-	public final fun copy-BHBJ6J4 (Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewChat;J)Ldev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted;
-	public static synthetic fun copy-BHBJ6J4$default (Ldev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted;Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewChat;JILjava/lang/Object;)Ldev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted;
+	public final fun component3 ()Ljava/util/List;
+	public final fun copy-LpiUw8E (Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewChat;Ljava/util/List;)Ldev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted;
+	public static synthetic fun copy-LpiUw8E$default (Ldev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted;Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewChat;Ljava/util/List;ILjava/lang/Object;)Ldev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted;
 	public fun equals (Ljava/lang/Object;)Z
 	public fun getBusinessConnectionId-T-_HSQI ()Ljava/lang/String;
 	public synthetic fun getBusinessConnectionId-nXr5wdE ()Ljava/lang/String;
 	public final fun getChat ()Ldev/inmo/tgbotapi/types/chat/PreviewChat;
-	public final fun getMessageId-APLFQys ()J
+	public final fun getMessageIds ()Ljava/util/List;
 	public fun hashCode ()I
 	public fun toString ()Ljava/lang/String;
 }
@@ -12000,45 +12001,6 @@ public final class dev/inmo/tgbotapi/types/business_connection/MinutesInterval$C
 	public final fun serializer ()Lkotlinx/serialization/KSerializer;
 }
 
-public final class dev/inmo/tgbotapi/types/business_connection/RawBusinessConnection {
-	public static final field Companion Ldev/inmo/tgbotapi/types/business_connection/RawBusinessConnection$Companion;
-	public fun <init> (Ldev/inmo/tgbotapi/types/business_connection/BusinessConnection;)V
-	public synthetic fun <init> (Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewUser;JLdev/inmo/tgbotapi/types/TelegramDate;ZZLkotlin/jvm/internal/DefaultConstructorMarker;)V
-	public final fun component1-T-_HSQI ()Ljava/lang/String;
-	public final fun component2 ()Ldev/inmo/tgbotapi/types/chat/PreviewUser;
-	public final fun component3-tHkBKVM ()J
-	public final fun component4 ()Ldev/inmo/tgbotapi/types/TelegramDate;
-	public final fun component5 ()Z
-	public final fun component6 ()Z
-	public final fun copy-FubJ-Q0 (Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewUser;JLdev/inmo/tgbotapi/types/TelegramDate;ZZ)Ldev/inmo/tgbotapi/types/business_connection/RawBusinessConnection;
-	public static synthetic fun copy-FubJ-Q0$default (Ldev/inmo/tgbotapi/types/business_connection/RawBusinessConnection;Ljava/lang/String;Ldev/inmo/tgbotapi/types/chat/PreviewUser;JLdev/inmo/tgbotapi/types/TelegramDate;ZZILjava/lang/Object;)Ldev/inmo/tgbotapi/types/business_connection/RawBusinessConnection;
-	public fun equals (Ljava/lang/Object;)Z
-	public final fun getAsBusinessConnection ()Ldev/inmo/tgbotapi/types/business_connection/BusinessConnection;
-	public final fun getCanReply ()Z
-	public final fun getDate ()Ldev/inmo/tgbotapi/types/TelegramDate;
-	public final fun getId-T-_HSQI ()Ljava/lang/String;
-	public final fun getUser ()Ldev/inmo/tgbotapi/types/chat/PreviewUser;
-	public final fun getUserChatId-tHkBKVM ()J
-	public fun hashCode ()I
-	public final fun isEnabled ()Z
-	public fun toString ()Ljava/lang/String;
-}
-
-public final class dev/inmo/tgbotapi/types/business_connection/RawBusinessConnection$$serializer : kotlinx/serialization/internal/GeneratedSerializer {
-	public static final field INSTANCE Ldev/inmo/tgbotapi/types/business_connection/RawBusinessConnection$$serializer;
-	public fun childSerializers ()[Lkotlinx/serialization/KSerializer;
-	public fun deserialize (Lkotlinx/serialization/encoding/Decoder;)Ldev/inmo/tgbotapi/types/business_connection/RawBusinessConnection;
-	public synthetic fun deserialize (Lkotlinx/serialization/encoding/Decoder;)Ljava/lang/Object;
-	public fun getDescriptor ()Lkotlinx/serialization/descriptors/SerialDescriptor;
-	public fun serialize (Lkotlinx/serialization/encoding/Encoder;Ldev/inmo/tgbotapi/types/business_connection/RawBusinessConnection;)V
-	public synthetic fun serialize (Lkotlinx/serialization/encoding/Encoder;Ljava/lang/Object;)V
-	public fun typeParametersSerializers ()[Lkotlinx/serialization/KSerializer;
-}
-
-public final class dev/inmo/tgbotapi/types/business_connection/RawBusinessConnection$Companion {
-	public final fun serializer ()Lkotlinx/serialization/KSerializer;
-}
-
 public final class dev/inmo/tgbotapi/types/buttons/InlineKeyboardButtons/CallbackDataInlineKeyboardButton : dev/inmo/tgbotapi/types/buttons/InlineKeyboardButtons/InlineKeyboardButton {
 	public static final field Companion Ldev/inmo/tgbotapi/types/buttons/InlineKeyboardButtons/CallbackDataInlineKeyboardButton$Companion;
 	public fun <init> (Ljava/lang/String;Ljava/lang/String;)V
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/get/GetBusinessConnection.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/get/GetBusinessConnection.kt
index db9d938c7f..08b4899fe8 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/get/GetBusinessConnection.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/get/GetBusinessConnection.kt
@@ -1,10 +1,10 @@
 package dev.inmo.tgbotapi.requests.get
 
+import dev.inmo.tgbotapi.abstracts.types.WithBusinessConnectionId
 import dev.inmo.tgbotapi.requests.abstracts.SimpleRequest
+import dev.inmo.tgbotapi.types.businessConnectionIdField
 import dev.inmo.tgbotapi.types.business_connection.BusinessConnection
 import dev.inmo.tgbotapi.types.business_connection.BusinessConnectionId
-import dev.inmo.tgbotapi.types.files.PathedFile
-import dev.inmo.tgbotapi.types.idField
 import kotlinx.serialization.DeserializationStrategy
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -12,15 +12,15 @@ import kotlinx.serialization.SerializationStrategy
 
 @Serializable
 data class GetBusinessConnection(
-    @SerialName(idField)
-    val id: BusinessConnectionId
-) : SimpleRequest<BusinessConnection> {
+    @SerialName(businessConnectionIdField)
+    override val businessConnectionId: BusinessConnectionId
+) : SimpleRequest<BusinessConnection>, WithBusinessConnectionId {
     override fun method(): String {
         return "getBusinessConnection"
     }
 
     override val resultDeserializer: DeserializationStrategy<BusinessConnection>
-        get() = BusinessConnection.serializer()
+        get() = BusinessConnection.Companion
     override val requestSerializer: SerializationStrategy<*>
         get() = serializer()
 }
\ No newline at end of file
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessConnection.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessConnection.kt
index 54f079f597..7ef20b945c 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessConnection.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessConnection.kt
@@ -4,15 +4,12 @@ import dev.inmo.tgbotapi.abstracts.types.WithBusinessConnectionId
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.chat.PreviewUser
 import dev.inmo.tgbotapi.utils.internal.ClassCastsIncluded
-import kotlinx.serialization.EncodeDefault
-import kotlinx.serialization.KSerializer
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
+import kotlinx.serialization.*
 import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 
-@Serializable
+@Serializable(BusinessConnection.Companion::class)
 @ClassCastsIncluded
 sealed interface BusinessConnection : WithBusinessConnectionId {
     val id: BusinessConnectionId
@@ -59,6 +56,7 @@ sealed interface BusinessConnection : WithBusinessConnectionId {
         override val isEnabled: Boolean = false
     }
 
+    @Serializer(BusinessConnection::class)
     companion object : KSerializer<BusinessConnection> {
         override val descriptor: SerialDescriptor
             get() = RawBusinessConnection.serializer().descriptor
@@ -69,8 +67,7 @@ sealed interface BusinessConnection : WithBusinessConnectionId {
         }
 
         override fun serialize(encoder: Encoder, value: BusinessConnection) {
-
+            RawBusinessConnection.serializer().serialize(encoder, RawBusinessConnection(value))
         }
-
     }
 }
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted.kt
index dfba8de848..071267f5ca 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/BusinessMessagesDeleted.kt
@@ -2,11 +2,8 @@ package dev.inmo.tgbotapi.types.business_connection
 
 import dev.inmo.tgbotapi.abstracts.types.WithBusinessConnectionId
 import dev.inmo.tgbotapi.abstracts.types.WithOptionalBusinessConnectionId
-import dev.inmo.tgbotapi.types.MessageId
-import dev.inmo.tgbotapi.types.businessConnectionIdField
+import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.chat.PreviewChat
-import dev.inmo.tgbotapi.types.chatField
-import dev.inmo.tgbotapi.types.messageIdField
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
@@ -16,6 +13,6 @@ data class BusinessMessagesDeleted(
     override val businessConnectionId: BusinessConnectionId,
     @SerialName(chatField)
     val chat: PreviewChat,
-    @SerialName(messageIdField)
-    val messageId: MessageId
+    @SerialName(messageIdsField)
+    val messageIds: List<MessageId>
 ) : WithBusinessConnectionId
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/RawBusinessConnection.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/RawBusinessConnection.kt
index 5b14aaf187..f90c682fd0 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/RawBusinessConnection.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/business_connection/RawBusinessConnection.kt
@@ -6,7 +6,7 @@ import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
 @Serializable
-data class RawBusinessConnection(
+internal data class RawBusinessConnection(
     @SerialName(idField)
     val id: BusinessConnectionId,
     @SerialName(userField)
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt
index 442e4c589d..18ef2010ce 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt
@@ -49,6 +49,7 @@ internal data class RawUpdate constructor(
     private val message_reaction_count: ChatMessageReactionsCountUpdated? = null,
     private val chat_boost: ChatBoostUpdated? = null,
     private val removed_chat_boost: ChatBoostRemoved? = null,
+    @Serializable(BusinessConnection.Companion::class)
     private val business_connection: BusinessConnection? = null,
     @Serializable(TelegramBotAPIMessageDeserializeOnlySerializer::class)
     private val business_message: BusinessContentMessage<*>? = null,