diff --git a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/DefaultMessageContentCache.kt b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/DefaultMessageContentCache.kt
index 71c6de5..755e430 100644
--- a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/DefaultMessageContentCache.kt
+++ b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/DefaultMessageContentCache.kt
@@ -7,20 +7,18 @@ import dev.inmo.tgbotapi.requests.get.GetFile
 import dev.inmo.tgbotapi.requests.send.media.*
 import dev.inmo.tgbotapi.types.ChatId
 import dev.inmo.tgbotapi.types.InputMedia.*
-import dev.inmo.tgbotapi.types.MessageIdentifier
 import dev.inmo.tgbotapi.types.message.content.abstracts.MediaContent
 import dev.inmo.tgbotapi.types.message.content.abstracts.MessageContent
 import dev.inmo.tgbotapi.utils.asInput
-import io.ktor.utils.io.cancel
 import io.ktor.utils.io.core.Input
 
-class DefaultMessageContentCache(
+class DefaultMessageContentCache<K>(
     private val bot: TelegramBot,
     private val filesRefreshingChatId: ChatId,
-    private val simpleMessageContentCache: MessagesSimpleCache = InMemoryMessagesSimpleCache(),
-    private val messagesFilesCache: MessagesFilesCache = InMemoryMessagesFilesCache()
-) : MessageContentCache {
-    override suspend fun save(chatId: ChatId, messageId: MessageIdentifier, content: MessageContent): Boolean {
+    private val simpleMessageContentCache: MessagesSimpleCache<K>,
+    private val messagesFilesCache: MessagesFilesCache<K> = InMemoryMessagesFilesCache()
+) : MessageContentCache<K> {
+    override suspend fun save(content: MessageContent): K {
         return when (content) {
             is MediaContent -> {
                 val extendedInfo = bot.execute(
@@ -32,42 +30,37 @@ class DefaultMessageContentCache(
                     )
                 )
 
-                save(chatId, messageId, content, extendedInfo.fileName) {
+                save(content, extendedInfo.fileName) {
                     allocator.invoke().asInput()
                 }
             }
-            else -> simpleMessageContentCache.runCatching {
-                set(chatId, messageId, content)
-            }.isSuccess
+            else -> simpleMessageContentCache.add(content)
         }
     }
 
     override suspend fun save(
-        chatId: ChatId,
-        messageId: MessageIdentifier,
         content: MediaContent,
         filename: String,
         inputAllocator: suspend () -> Input
-    ): Boolean {
+    ): K {
+        val key = simpleMessageContentCache.add(content)
         runCatching {
-            messagesFilesCache.set(chatId, messageId, filename, inputAllocator)
+            messagesFilesCache.set(key, filename, inputAllocator)
         }.onFailure {
-            return false
+            simpleMessageContentCache.remove(key)
         }
 
-        return simpleMessageContentCache.runCatching {
-            set(chatId, messageId, content)
-        }.isSuccess
+        return key
     }
 
-    override suspend fun get(chatId: ChatId, messageId: MessageIdentifier): MessageContent? {
-        val savedSimpleContent = simpleMessageContentCache.get(chatId, messageId) ?: return null
+    override suspend fun get(k: K): MessageContent? {
+        val savedSimpleContent = simpleMessageContentCache.get(k) ?: return null
 
         if (savedSimpleContent is MediaContent) {
             runCatching {
                 bot.execute(GetFile(savedSimpleContent.media.fileId))
             }.onFailure {
-                val savedFileContentAllocator = messagesFilesCache.get(chatId, messageId) ?: error("Unexpected absence of $chatId:$messageId file for content ($simpleMessageContentCache)")
+                val savedFileContentAllocator = messagesFilesCache.get(k) ?: error("Unexpected absence of $k file for content ($simpleMessageContentCache)")
                 val newContent = bot.execute(
                     when (savedSimpleContent.asInputMedia()) {
                         is InputMediaAnimation -> SendAnimation(
@@ -108,19 +101,28 @@ class DefaultMessageContentCache(
                     }
                 )
 
-                simpleMessageContentCache.set(chatId, messageId, newContent.content)
+                simpleMessageContentCache.update(k, newContent.content)
                 return newContent.content
             }
         }
         return savedSimpleContent
     }
 
-    override suspend fun contains(chatId: ChatId, messageId: MessageIdentifier): Boolean {
-        return simpleMessageContentCache.contains(chatId, messageId)
+    override suspend fun contains(k: K): Boolean {
+        return simpleMessageContentCache.contains(k)
     }
 
-    override suspend fun remove(chatId: ChatId, messageId: MessageIdentifier) {
-        simpleMessageContentCache.remove(chatId, messageId)
-        messagesFilesCache.remove(chatId, messageId)
+    override suspend fun remove(k: K) {
+        simpleMessageContentCache.remove(k)
+        messagesFilesCache.remove(k)
+    }
+
+    companion object {
+        operator fun invoke(
+            bot: TelegramBot,
+            filesRefreshingChatId: ChatId,
+            simpleMessageContentCache: MessagesSimpleCache<String> = InMemoryMessagesSimpleCache(),
+            messagesFilesCache: MessagesFilesCache<String> = InMemoryMessagesFilesCache()
+        ) = DefaultMessageContentCache(bot, filesRefreshingChatId, simpleMessageContentCache, messagesFilesCache)
     }
 }
diff --git a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessageContentCache.kt b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessageContentCache.kt
index 2718920..baec180 100644
--- a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessageContentCache.kt
+++ b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessageContentCache.kt
@@ -1,21 +1,17 @@
 package dev.inmo.tgbotapi.libraries.cache.media.common
 
-import dev.inmo.tgbotapi.types.ChatId
-import dev.inmo.tgbotapi.types.MessageIdentifier
 import dev.inmo.tgbotapi.types.message.content.abstracts.MediaContent
 import dev.inmo.tgbotapi.types.message.content.abstracts.MessageContent
 import io.ktor.utils.io.core.Input
 
-interface MessageContentCache {
-    suspend fun save(chatId: ChatId, messageId: MessageIdentifier, content: MessageContent): Boolean
+interface MessageContentCache<K> {
+    suspend fun save(content: MessageContent): K
     suspend fun save(
-        chatId: ChatId,
-        messageId: MessageIdentifier,
         content: MediaContent,
         filename: String,
         inputAllocator: suspend () -> Input
-    ): Boolean
-    suspend fun get(chatId: ChatId, messageId: MessageIdentifier): MessageContent?
-    suspend fun contains(chatId: ChatId, messageId: MessageIdentifier): Boolean
-    suspend fun remove(chatId: ChatId, messageId: MessageIdentifier)
+    ): K
+    suspend fun get(k: K): MessageContent?
+    suspend fun contains(k: K): Boolean
+    suspend fun remove(k: K)
 }
diff --git a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesFilesCache.kt b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesFilesCache.kt
index a23fa5d..796fca9 100644
--- a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesFilesCache.kt
+++ b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesFilesCache.kt
@@ -5,16 +5,11 @@ import dev.inmo.tgbotapi.types.MessageIdentifier
 import dev.inmo.tgbotapi.utils.StorageFile
 import io.ktor.utils.io.core.*
 
-interface MessagesFilesCache {
-    suspend fun set(
-        chatId: ChatId,
-        messageIdentifier: MessageIdentifier,
-        filename: String,
-        inputAllocator: suspend () -> Input
-    )
-    suspend fun get(chatId: ChatId, messageIdentifier: MessageIdentifier): StorageFile?
-    suspend fun remove(chatId: ChatId, messageIdentifier: MessageIdentifier)
-    suspend fun contains(chatId: ChatId, messageIdentifier: MessageIdentifier): Boolean
+interface MessagesFilesCache<K> {
+    suspend fun set(k: K, filename: String, inputAllocator: suspend () -> Input)
+    suspend fun get(k: K): StorageFile?
+    suspend fun remove(k: K)
+    suspend fun contains(k: K): Boolean
 }
 
 /**
@@ -22,31 +17,25 @@ interface MessagesFilesCache {
  * start of application creation with usage of [MessageContentCache] with aim to replace this realization by some
  * disks-oriented one
  */
-class InMemoryMessagesFilesCache : MessagesFilesCache {
-    private val map = mutableMapOf<Pair<ChatId, MessageIdentifier>, StorageFile>()
+class InMemoryMessagesFilesCache<K> : MessagesFilesCache<K> {
+    private val map = mutableMapOf<K, StorageFile>()
 
-    override suspend fun set(
-        chatId: ChatId,
-        messageIdentifier: MessageIdentifier,
-        filename: String,
-        inputAllocator: suspend () -> Input
-    ) {
-        map[chatId to messageIdentifier] = StorageFile(
+    override suspend fun set(k: K, filename: String, inputAllocator: suspend () -> Input) {
+        map[k] = StorageFile(
             filename,
             inputAllocator().readBytes()
         )
     }
 
-    override suspend fun get(chatId: ChatId, messageIdentifier: MessageIdentifier): StorageFile? {
-        return map[chatId to messageIdentifier]
+    override suspend fun get(k: K): StorageFile? {
+        return map[k]
     }
 
-    override suspend fun remove(chatId: ChatId, messageIdentifier: MessageIdentifier) {
-        map.remove(chatId to messageIdentifier)
+    override suspend fun remove(k: K) {
+        map.remove(k)
     }
 
-    override suspend fun contains(chatId: ChatId, messageIdentifier: MessageIdentifier): Boolean {
-        return map.contains(chatId to messageIdentifier)
+    override suspend fun contains(k: K): Boolean {
+        return map.contains(k)
     }
-
 }
diff --git a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesSimpleCache.kt b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesSimpleCache.kt
index a325fe2..ffc08b1 100644
--- a/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesSimpleCache.kt
+++ b/cache/content/common/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/MessagesSimpleCache.kt
@@ -1,20 +1,14 @@
 package dev.inmo.tgbotapi.libraries.cache.media.common
 
-import dev.inmo.tgbotapi.types.ChatId
-import dev.inmo.tgbotapi.types.MessageIdentifier
+import com.benasher44.uuid.uuid4
 import dev.inmo.tgbotapi.types.message.content.abstracts.MessageContent
-import dev.inmo.tgbotapi.utils.StorageFile
-import io.ktor.utils.io.core.*
 
-interface MessagesSimpleCache {
-    suspend fun set(
-        chatId: ChatId,
-        messageIdentifier: MessageIdentifier,
-        content: MessageContent
-    )
-    suspend fun get(chatId: ChatId, messageIdentifier: MessageIdentifier): MessageContent?
-    suspend fun remove(chatId: ChatId, messageIdentifier: MessageIdentifier)
-    suspend fun contains(chatId: ChatId, messageIdentifier: MessageIdentifier): Boolean
+interface MessagesSimpleCache<K> {
+    suspend fun add(content: MessageContent): K
+    suspend fun update(k: K, content: MessageContent): Boolean
+    suspend fun get(k: K): MessageContent?
+    suspend fun remove(k: K)
+    suspend fun contains(k: K): Boolean
 }
 
 /**
@@ -22,27 +16,48 @@ interface MessagesSimpleCache {
  * start of application creation with usage of [MessageContentCache] with aim to replace this realization by some
  * disks-oriented one
  */
-class InMemoryMessagesSimpleCache : MessagesSimpleCache {
-    private val map = mutableMapOf<Pair<ChatId, MessageIdentifier>, MessageContent>()
+class InMemoryMessagesSimpleCache<K>(
+    private val keyGenerator: () -> K
+) : MessagesSimpleCache<K> {
+    private val map = mutableMapOf<K, MessageContent>()
 
-    override suspend fun set(
-        chatId: ChatId,
-        messageIdentifier: MessageIdentifier,
+    override suspend fun add(
         content: MessageContent
-    ) {
-        map[chatId to messageIdentifier] = content
+    ): K {
+        val key = keyGenerator()
+        map[key] = content
+        return key
     }
 
-    override suspend fun get(chatId: ChatId, messageIdentifier: MessageIdentifier): MessageContent? {
-        return map[chatId to messageIdentifier]
+    override suspend fun update(
+        k: K,
+        content: MessageContent
+    ): Boolean {
+        return map.runCatching {
+            if (contains(k)) {
+                put(k, content)
+                true
+            } else {
+                false
+            }
+        }.getOrDefault(false)
     }
 
-    override suspend fun remove(chatId: ChatId, messageIdentifier: MessageIdentifier) {
-        map.remove(chatId to messageIdentifier)
+    override suspend fun get(k: K): MessageContent? {
+        return map[k]
     }
 
-    override suspend fun contains(chatId: ChatId, messageIdentifier: MessageIdentifier): Boolean {
-        return map.contains(chatId to messageIdentifier)
+    override suspend fun remove(k: K) {
+        map.remove(k)
     }
 
+    override suspend fun contains(k: K): Boolean {
+        return map.contains(k)
+    }
+
+    companion object {
+        operator fun invoke() = InMemoryMessagesSimpleCache {
+            uuid4().toString()
+        }
+    }
 }
diff --git a/cache/content/common/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/InFilesMessagesFilesCache.kt b/cache/content/common/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/InFilesMessagesFilesCache.kt
index 9244e6c..53aed1c 100644
--- a/cache/content/common/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/InFilesMessagesFilesCache.kt
+++ b/cache/content/common/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/common/InFilesMessagesFilesCache.kt
@@ -1,7 +1,5 @@
 package dev.inmo.tgbotapi.libraries.cache.media.common
 
-import dev.inmo.tgbotapi.types.ChatId
-import dev.inmo.tgbotapi.types.MessageIdentifier
 import dev.inmo.tgbotapi.utils.*
 import io.ktor.utils.io.core.Input
 import io.ktor.utils.io.core.copyTo
@@ -9,12 +7,13 @@ import io.ktor.utils.io.streams.asInput
 import io.ktor.utils.io.streams.asOutput
 import java.io.File
 
-class InFilesMessagesFilesCache(
-    private val folderFile: File
-) : MessagesFilesCache {
-    private val Pair<ChatId, MessageIdentifier>.storageFile: StorageFile?
+class InFilesMessagesFilesCache<K>(
+    private val folderFile: File,
+    private val filePrefixBuilder: (K) -> String
+) : MessagesFilesCache<K> {
+    private val K.storageFile: StorageFile?
         get() {
-            val prefix = filePrefix(first, second)
+            val prefix = filePrefix(this)
             val filename = folderFile.list() ?.firstOrNull { it.startsWith(prefix) } ?: return null
             val file = File(folderFile, filename)
             val storageFileFilename = file.name.removePrefix("$prefix ")
@@ -31,21 +30,14 @@ class InFilesMessagesFilesCache(
         folderFile.mkdirs()
     }
 
-    private fun filePrefix(chatId: ChatId, messageIdentifier: MessageIdentifier): String {
-        return "${chatId.chatId} $messageIdentifier"
+    private fun filePrefix(k: K): String = filePrefixBuilder(k)
+
+    private fun fileName(k: K, filename: String): String {
+        return "${filePrefix(k)} $filename"
     }
 
-    private fun fileName(chatId: ChatId, messageIdentifier: MessageIdentifier, filename: String): String {
-        return "${chatId.chatId} $messageIdentifier $filename"
-    }
-
-    override suspend fun set(
-        chatId: ChatId,
-        messageIdentifier: MessageIdentifier,
-        filename: String,
-        inputAllocator: suspend () -> Input
-    ) {
-        val fullFileName = fileName(chatId, messageIdentifier, filename)
+    override suspend fun set(k: K, filename: String, inputAllocator: suspend () -> Input) {
+        val fullFileName = fileName(k, filename)
         val file = File(folderFile, fullFileName).apply {
             delete()
         }
@@ -56,12 +48,12 @@ class InFilesMessagesFilesCache(
         }
     }
 
-    override suspend fun get(chatId: ChatId, messageIdentifier: MessageIdentifier): StorageFile? {
-        return (chatId to messageIdentifier).storageFile
+    override suspend fun get(k: K): StorageFile? {
+        return k.storageFile
     }
 
-    override suspend fun remove(chatId: ChatId, messageIdentifier: MessageIdentifier) {
-        val prefix = filePrefix(chatId, messageIdentifier)
+    override suspend fun remove(k: K) {
+        val prefix = filePrefix(k)
         folderFile.listFiles() ?.forEach {
             if (it.name.startsWith(prefix)) {
                 it.delete()
@@ -69,8 +61,14 @@ class InFilesMessagesFilesCache(
         }
     }
 
-    override suspend fun contains(chatId: ChatId, messageIdentifier: MessageIdentifier): Boolean {
-        val prefix = filePrefix(chatId, messageIdentifier)
+    override suspend fun contains(k: K): Boolean {
+        val prefix = filePrefix(k)
         return folderFile.list() ?.any { it.startsWith(prefix) } == true
     }
+
+    companion object {
+        operator fun invoke(folderFile: File) = InFilesMessagesFilesCache<String>(
+            folderFile
+        ) { it }
+    }
 }
diff --git a/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt b/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
index 0cf0ce0..e77a7db 100644
--- a/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
+++ b/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.libraries.cache.media.micro_utils
 
+import com.benasher44.uuid.uuid4
 import dev.inmo.micro_utils.repos.*
 import dev.inmo.micro_utils.repos.mappers.withMapper
 import dev.inmo.tgbotapi.libraries.cache.media.common.MessagesSimpleCache
@@ -14,23 +15,44 @@ import kotlinx.serialization.modules.SerializersModule
 import kotlin.js.JsName
 import kotlin.jvm.JvmName
 
-class SimpleKeyValueMessageContentCache(
-    private val keyValueRepo: KeyValueRepo<Pair<ChatId, MessageIdentifier>, MessageContent>
-) : MessagesSimpleCache {
-    override suspend fun set(chatId: ChatId, messageIdentifier: MessageIdentifier, content: MessageContent) {
-        keyValueRepo.set(chatId to messageIdentifier, content)
+class SimpleKeyValueMessageContentCache<K>(
+    private val keyValueRepo: KeyValueRepo<K, MessageContent>,
+    private val keyGenerator: () -> K
+) : MessagesSimpleCache<K> {
+    override suspend fun add(content: MessageContent): K {
+        val key = keyGenerator()
+        keyValueRepo.set(key, content)
+
+        return key
     }
 
-    override suspend fun get(chatId: ChatId, messageIdentifier: MessageIdentifier): MessageContent? {
-        return keyValueRepo.get(chatId to messageIdentifier)
+    override suspend fun update(k: K, content: MessageContent): Boolean {
+        return keyValueRepo.runCatching {
+            if (contains(k)) {
+                keyValueRepo.set(k, content)
+                true
+            } else {
+                false
+            }
+        }.getOrDefault(false)
     }
 
-    override suspend fun contains(chatId: ChatId, messageIdentifier: MessageIdentifier): Boolean {
-        return keyValueRepo.contains(chatId to messageIdentifier)
+    override suspend fun get(k: K): MessageContent? {
+        return keyValueRepo.get(k)
     }
 
-    override suspend fun remove(chatId: ChatId, messageIdentifier: MessageIdentifier) {
-        keyValueRepo.unset(chatId to messageIdentifier)
+    override suspend fun contains(k: K): Boolean {
+        return keyValueRepo.contains(k)
+    }
+
+    override suspend fun remove(k: K) {
+        keyValueRepo.unset(k)
+    }
+
+    companion object {
+        operator fun invoke(
+            keyValueRepo: KeyValueRepo<String, MessageContent>
+        ) = SimpleKeyValueMessageContentCache(keyValueRepo) { uuid4().toString() }
     }
 }