diff --git a/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/send/SetMessageReactions.kt b/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/send/SetMessageReactions.kt
new file mode 100644
index 0000000000..c94fdeff1f
--- /dev/null
+++ b/tgbotapi.api/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/api/send/SetMessageReactions.kt
@@ -0,0 +1,55 @@
+package dev.inmo.tgbotapi.extensions.api.send
+
+import dev.inmo.tgbotapi.bot.TelegramBot
+import dev.inmo.tgbotapi.requests.send.SendAction
+import dev.inmo.tgbotapi.requests.send.SetMessageReactions
+import dev.inmo.tgbotapi.types.ChatIdentifier
+import dev.inmo.tgbotapi.types.MessageId
+import dev.inmo.tgbotapi.types.MessageThreadId
+import dev.inmo.tgbotapi.types.actions.*
+import dev.inmo.tgbotapi.types.chat.Chat
+import dev.inmo.tgbotapi.types.message.abstracts.Message
+import dev.inmo.tgbotapi.types.reactions.Reaction
+import dev.inmo.tgbotapi.types.threadId
+
+suspend fun TelegramBot.setMessageReactions(
+    chatId: ChatIdentifier,
+    messageId: MessageId,
+    reactions: List<Reaction>,
+    big: Boolean = false
+) = execute(
+    SetMessageReactions(chatId, messageId, reactions, big)
+)
+
+suspend fun TelegramBot.setMessageReaction(
+    chatId: ChatIdentifier,
+    messageId: MessageId,
+    reaction: Reaction?,
+    big: Boolean = false
+) = setMessageReactions(chatId, messageId, listOfNotNull(reaction), big)
+
+suspend fun TelegramBot.setMessageReactions(
+    chat: Chat,
+    messageId: MessageId,
+    reactions: List<Reaction>,
+    big: Boolean = false
+) = setMessageReactions(chat.id, messageId, reactions, big)
+
+suspend fun TelegramBot.setMessageReaction(
+    chat: Chat,
+    messageId: MessageId,
+    reaction: Reaction?,
+    big: Boolean = false
+) = setMessageReaction(chat.id, messageId, reaction, big)
+
+suspend fun TelegramBot.setMessageReactions(
+    message: Message,
+    reactions: List<Reaction>,
+    big: Boolean = false
+) = setMessageReactions(message.chat, message.messageId, reactions, big)
+
+suspend fun TelegramBot.setMessageReaction(
+    message: Message,
+    reaction: Reaction?,
+    big: Boolean = false
+) = setMessageReaction(message.chat, message.messageId, reaction, big)
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/SetMessageReactions.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/SetMessageReactions.kt
new file mode 100644
index 0000000000..2603a6be56
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/SetMessageReactions.kt
@@ -0,0 +1,31 @@
+package dev.inmo.tgbotapi.requests.send
+
+import dev.inmo.tgbotapi.abstracts.types.ChatRequest
+import dev.inmo.tgbotapi.requests.abstracts.SimpleRequest
+import dev.inmo.tgbotapi.types.*
+import dev.inmo.tgbotapi.types.reactions.Reaction
+import kotlinx.serialization.DeserializationStrategy
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.SerializationStrategy
+import kotlinx.serialization.builtins.serializer
+
+@Serializable
+data class SetMessageReactions(
+    @SerialName(chatIdField)
+    override val chatId: ChatIdentifier,
+    @SerialName(messageIdField)
+    val messageId: MessageId,
+    @SerialName(reactionField)
+    val reactions: List<Reaction>,
+    @SerialName(isBigField)
+    val big: Boolean = false
+) : SimpleRequest<Boolean>, ChatRequest {
+    override fun method(): String = "setMessageReaction"
+
+    override val requestSerializer: SerializationStrategy<*>
+        get() = serializer()
+
+    override val resultDeserializer: DeserializationStrategy<Boolean>
+        get() = Boolean.serializer()
+}
\ No newline at end of file
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
index 43f7e212b6..02cdbf293c 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
@@ -463,6 +463,8 @@ const val userChatIdField = "user_chat_id"
 const val userField = "user"
 const val dateField = "date"
 const val reactionsField = "reactions"
+const val reactionField = "reaction"
+const val isBigField = "is_big"
 const val oldReactionField = "old_reaction"
 const val newReactionField = "new_reaction"
 const val chatField = "chat"