diff --git a/build.gradle.kts b/build.gradle.kts
index 5bc975b..f889441 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -94,6 +94,7 @@ subprojects {
         "implementation"("io.ktor:ktor-serialization-kotlinx-json:$ktor_version")
         "implementation"("dev.usbharu:kmp-logger:1.1.0")
         "implementation"("com.michael-bull.kotlin-result:kotlin-result:1.1.16")
+        "implementation"("io.github.reactivecircus.cache4k:cache4k:0.9.0")
 
         "testImplementation"("org.junit.jupiter:junit-jupiter-api:5.9.0")
         "testImplementation"("org.junit.jupiter:junit-jupiter-params:5.9.0")
diff --git a/core/src/main/kotlin/dev/usbharu/multim/api/AccountApi.kt b/core/src/main/kotlin/dev/usbharu/multim/api/AccountApi.kt
index 74a7689..966d1e9 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/api/AccountApi.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/api/AccountApi.kt
@@ -16,13 +16,36 @@ interface AccountApi {
         until: StatusId? = null
     ): Result<List<Status>,MultiMError>
 
+    val FOLLOW: String
+        get() = "account/follow"
+
     suspend fun follow(account: Account): Result<Unit,MultiMError>
+
+    val UNFOLLOW: String
+        get() = "account/unfollow"
     suspend fun unfollow(account: Account): Result<Unit,MultiMError>
+
+    val PROFILE: String
+        get() = "account/profile"
     suspend fun profile(account: Account): Result<Profile,MultiMError>
+
+    val STATUSES:String
+        get() = "account/statuses"
     suspend fun statuses(account: Account, includeRepost: Boolean = false): Result<List<Status>,MultiMError>
+
+    val RELEATIONSHIPS:String
+        get() = "account/relationships"
     suspend fun relationships(myself: Account, other: Account): Result<Relation,MultiMError>
+
+    val REQUEST_CANCEL:String
+        get() = "account/requestCancel"
     suspend fun requestCancel(account: Account): Result<Unit,MultiMError>
+
+    val REQUEST_ACCEPT:String
+        get() = "account/requestAccept"
     suspend fun requestAccept(account: Account): Result<Unit,MultiMError>
+    val REQUEST_REJECT:String
+        get() = "account/requestReject"
     suspend fun requestReject(account: Account): Result<Unit,MultiMError>
 }
 
diff --git a/core/src/main/kotlin/dev/usbharu/multim/api/EmojiApi.kt b/core/src/main/kotlin/dev/usbharu/multim/api/EmojiApi.kt
index 1fdc3ac..836192e 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/api/EmojiApi.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/api/EmojiApi.kt
@@ -8,8 +8,13 @@ import dev.usbharu.multim.error.MultiMResult
 import dev.usbharu.multim.model.Emoji
 
 interface EmojiApi {
+    val GET:String
+        get() = "emoji/get"
     suspend fun get(name:String):MultiMResult<Emoji>
 
+    val FIND_BY_NAME:String
+        get() = "emoji/findByName"
+
     suspend fun findByName(name:String):MultiMResult<List<Emoji>>
 }
 
diff --git a/core/src/main/kotlin/dev/usbharu/multim/api/StatusApi.kt b/core/src/main/kotlin/dev/usbharu/multim/api/StatusApi.kt
index 7e4acce..fd3c921 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/api/StatusApi.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/api/StatusApi.kt
@@ -12,12 +12,22 @@ import kotlinx.datetime.TimeZone
 import kotlinx.datetime.toLocalDateTime
 
 interface StatusApi {
+    val POST:String
+        get() = "status/post"
     suspend fun post(status: StatusForPost): Result<Status,MultiMError>
+
+    val DELETE:String
+        get() = "status/delete"
     suspend fun delete(id: StatusId): Result<Unit,MultiMError>
+    val FIND_BY_ID:String
+        get() = "status/findById"
     suspend fun findById(id: StatusId): Result<Status,MultiMError>
+    val ADD_REACTION:String
+        get() = "status/addReaction"
     suspend fun addReaction(id: StatusId, reaction: Reaction): Result<Unit,MultiMError>
 
-
+    val REMOVE_REACTION:String
+        get() = "status/remvoeReaction"
     /**
      * Remove reaction
      *
@@ -26,13 +36,29 @@ interface StatusApi {
      * @return
      */
     suspend fun removeReaction(id: StatusId, reaction: Reaction?): Result<Unit,MultiMError>
+    val REACTIONS:String
+        get() = "status/reactions"
     suspend fun reactions(id: StatusId): Result<Map<Reaction, Int>,MultiMError>
+    val REPLIES:String
+        get() = "status/replies"
     suspend fun replies(id: StatusId): Result<List<Status>,MultiMError>
+    val REPOST:String
+        get() = "status/repost"
     suspend fun repost(id: StatusId): Result<Status,MultiMError>
+    val UN_REPOST:String
+        get() = "status/unRepost"
     suspend fun unRepost(id: StatusId): Result<Unit,MultiMError>
+    val REPLY_TO:String
+        get() = "status/replyTo"
     suspend fun replyTo(id: StatusId, status: StatusForPost): Result<Status,MultiMError>
+    val ADD_TO_BOOKMARKS:String
+        get() = "status/addBookMarks"
     suspend fun addToBookmarks(id: StatusId): Result<Unit,MultiMError>
+    val REMOVE_FROM_BOOKMARKS:String
+        get() = "status/removeFromBookmarks"
     suspend fun removeFromBookmarks(id: StatusId): Result<Unit,MultiMError>
+    val GET_PREVIOUS_AND_NEXT:String
+        get() = "status/getPreviousAndNext"
     suspend fun getPreviousAndNext(id: StatusId): Result<PreviousAndNextPosts,MultiMError>
 
     fun getUniqueId(status: Status):Int{
diff --git a/core/src/main/kotlin/dev/usbharu/multim/api/TimelineApi.kt b/core/src/main/kotlin/dev/usbharu/multim/api/TimelineApi.kt
index c79d192..58d9770 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/api/TimelineApi.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/api/TimelineApi.kt
@@ -9,12 +9,20 @@ import dev.usbharu.multim.model.Status
 import dev.usbharu.multim.model.Timeline
 
 interface TimelineApi {
+    val AVAILABLE_TIMELINES:String
+        get() = "timeline/availableTimelines"
     suspend fun availableTimelines(): Result<List<Timeline>,MultiMError>
 
+    val LISTEN:String
+        get() = "timeline/listen"
     suspend fun listen(timeline: Timeline,callback: (List<Status>) -> Unit):Result<Unit,MultiMError>
 
+    val CONNECT:String
+        get() = "timeline/connect"
     // todo 返り値を詳細にする
     suspend fun connect(timeline: Timeline): Result<Unit,MultiMError>
+    val DISCONNECT:String
+        get() = "timeline/disconnect"
 
     /**
      * Disconnect
diff --git a/core/src/main/kotlin/dev/usbharu/multim/cache/Cacheable.kt b/core/src/main/kotlin/dev/usbharu/multim/cache/Cacheable.kt
new file mode 100644
index 0000000..29c7884
--- /dev/null
+++ b/core/src/main/kotlin/dev/usbharu/multim/cache/Cacheable.kt
@@ -0,0 +1,5 @@
+package dev.usbharu.multim.cache
+
+interface Cacheable {
+    val cacheKey:String
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableAccountApi.kt b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableAccountApi.kt
new file mode 100644
index 0000000..9cfd588
--- /dev/null
+++ b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableAccountApi.kt
@@ -0,0 +1,57 @@
+package dev.usbharu.multim.cache
+
+import com.github.michaelbull.result.Result
+import dev.usbharu.multim.api.AccountApi
+import dev.usbharu.multim.error.MultiMError
+import dev.usbharu.multim.model.*
+
+class CacheableAccountApi(
+    private val accountApi: AccountApi,
+    private val cacheableApi: CacheableApi
+) :
+    CacheableApi by cacheableApi, AccountApi by accountApi {
+    override suspend fun userTimeline(
+        account: Account,
+        since: StatusId?,
+        until: StatusId?
+    ): Result<List<Status>, MultiMError> {
+        return cacheableApi.cacheOrGet(
+            CacheableApi.generateKey(
+                account,
+                since,
+                until
+            )
+        ) { accountApi.userTimeline(account, since, until) }
+    }
+
+    override suspend fun profile(account: Account): Result<Profile, MultiMError> {
+        return cacheableApi.cacheOrGet(PROFILE, account) { accountApi.profile(account) }
+    }
+
+    override suspend fun statuses(
+        account: Account,
+        includeRepost: Boolean
+    ): Result<List<Status>, MultiMError> {
+        return cacheableApi.cacheOrGet(
+            STATUSES,
+            CacheableApi.generateKey(account) + includeRepost
+        ) {
+            accountApi.statuses(
+                account,
+                includeRepost
+            )
+        }
+    }
+
+    override suspend fun relationships(
+        myself: Account,
+        other: Account
+    ): Result<Relation, MultiMError> {
+        return cacheableApi.cacheOrGet(RELEATIONSHIPS, myself, other) {
+            accountApi.relationships(
+                myself,
+                other
+            )
+        }
+    }
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableApi.kt b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableApi.kt
new file mode 100644
index 0000000..ece8879
--- /dev/null
+++ b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableApi.kt
@@ -0,0 +1,52 @@
+package dev.usbharu.multim.cache
+
+import kotlinx.datetime.Clock
+
+interface CacheableApi {
+
+    companion object {
+        fun generateKey(vararg objects: Cacheable?): String {
+            var key: String = Clock.System.now().toString()
+            for (cacheable in objects) {
+                key += cacheable?.cacheKey
+            }
+            return key
+        }
+    }
+
+    fun purge()
+    fun disable()
+    fun enable()
+    fun withNoCache(block: () -> Unit) {
+        disable()
+        try {
+            block()
+        } finally {
+            enable()
+        }
+    }
+
+    fun <T :Any> cache(method: String, key: String, value: T): T
+
+    fun <T> get(method: String, key: String): T?
+    suspend fun <T:Any> cacheOrGet(method: String, key: String, block: suspend () -> T): T {
+        val get = get<T>(method, key)
+        if (get != null) {
+            return get
+        }
+        return cache(method, key, block())
+    }
+
+    suspend fun <T:Any> cacheOrGet(
+        method: String,
+        vararg objects: Cacheable?,
+        block: suspend () -> T
+    ): T {
+        val key = generateKey(*objects)
+        val get = get<T>(method, key)
+        if (get != null) {
+            return get
+        }
+        return cache(method, key, block())
+    }
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableEmojiApi.kt b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableEmojiApi.kt
new file mode 100644
index 0000000..96f87e7
--- /dev/null
+++ b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableEmojiApi.kt
@@ -0,0 +1,16 @@
+package dev.usbharu.multim.cache
+
+import dev.usbharu.multim.api.EmojiApi
+import dev.usbharu.multim.error.MultiMResult
+import dev.usbharu.multim.model.Emoji
+
+class CacheableEmojiApi(private val cacheableApi: CacheableApi,private val emojiApi: EmojiApi) :
+    CacheableApi by cacheableApi, EmojiApi by emojiApi {
+    override suspend fun get(name: String): MultiMResult<Emoji> {
+        return cacheableApi.cacheOrGet(GET, name) { emojiApi.get(name) }
+    }
+
+    override suspend fun findByName(name: String): MultiMResult<List<Emoji>> {
+        return cacheableApi.cacheOrGet(FIND_BY_NAME, name) { emojiApi.findByName(name) }
+    }
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableStatusApi.kt b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableStatusApi.kt
new file mode 100644
index 0000000..8219d35
--- /dev/null
+++ b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableStatusApi.kt
@@ -0,0 +1,31 @@
+package dev.usbharu.multim.cache
+
+import com.github.michaelbull.result.Result
+import dev.usbharu.multim.api.StatusApi
+import dev.usbharu.multim.error.MultiMError
+import dev.usbharu.multim.model.PreviousAndNextPosts
+import dev.usbharu.multim.model.Reaction
+import dev.usbharu.multim.model.Status
+import dev.usbharu.multim.model.StatusId
+
+class CacheableStatusApi(private val cacheableApi: CacheableApi,private val statusApi: StatusApi) :
+    CacheableApi by cacheableApi, StatusApi by statusApi {
+    override suspend fun findById(id: StatusId): Result<Status, MultiMError> {
+        return cacheableApi.cacheOrGet(FIND_BY_ID, id) { statusApi.findById(id) }
+    }
+
+    override suspend fun reactions(id: StatusId): Result<Map<Reaction, Int>, MultiMError> {
+        return cacheableApi.cacheOrGet(REACTIONS, id) { statusApi.reactions(id) }
+    }
+
+    override suspend fun replies(id: StatusId): Result<List<Status>, MultiMError> {
+        return cacheableApi.cacheOrGet(REPLIES, id) { statusApi.replies(id) }
+    }
+
+    override suspend fun getPreviousAndNext(id: StatusId): Result<PreviousAndNextPosts, MultiMError> {
+        return cacheableApi.cacheOrGet(
+            GET_PREVIOUS_AND_NEXT,
+            id
+        ) { statusApi.getPreviousAndNext(id) }
+    }
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableTimelineApi.kt b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableTimelineApi.kt
new file mode 100644
index 0000000..f40c197
--- /dev/null
+++ b/core/src/main/kotlin/dev/usbharu/multim/cache/CacheableTimelineApi.kt
@@ -0,0 +1,13 @@
+package dev.usbharu.multim.cache
+
+import com.github.michaelbull.result.Result
+import dev.usbharu.multim.api.TimelineApi
+import dev.usbharu.multim.error.MultiMError
+import dev.usbharu.multim.model.Timeline
+
+class CacheableTimelineApi(private val cacheableApi: CacheableApi,private val timelineApi: TimelineApi) :
+    CacheableApi by cacheableApi, TimelineApi by timelineApi {
+    override suspend fun availableTimelines(): Result<List<Timeline>, MultiMError> {
+        return cacheableApi.cacheOrGet(AVAILABLE_TIMELINES) { timelineApi.availableTimelines() }
+    }
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/cache/InMemoryLRUCache.kt b/core/src/main/kotlin/dev/usbharu/multim/cache/InMemoryLRUCache.kt
new file mode 100644
index 0000000..b88b14f
--- /dev/null
+++ b/core/src/main/kotlin/dev/usbharu/multim/cache/InMemoryLRUCache.kt
@@ -0,0 +1,38 @@
+package dev.usbharu.multim.cache
+
+import io.github.reactivecircus.cache4k.Cache
+
+class InMemoryLRUCache(maxSize: Long) : CacheableApi {
+    private val cache = Cache.Builder().maximumCacheSize(maxSize).build<String, Any>()
+    private var enable: Boolean = true
+    override fun purge() {
+        cache.invalidateAll()
+    }
+
+    override fun disable() {
+        enable = false
+    }
+
+    override fun enable() {
+        enable = true
+    }
+
+    override fun <T : Any> cache(method: String, key: String, value: T): T {
+        if (enable) {
+            cache.put(method + key, value)
+        }
+        return value
+    }
+
+    override fun <T> get(method: String, key: String): T? {
+        if (enable) {
+            val any = cache.get(method + key)
+            return try {
+                any as T?
+            } catch (e: ClassCastException) {
+                null
+            }
+        }
+        return null
+    }
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/model/Account.kt b/core/src/main/kotlin/dev/usbharu/multim/model/Account.kt
index 4c6a7c7..c7cc553 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/model/Account.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/model/Account.kt
@@ -1,8 +1,10 @@
 package dev.usbharu.multim.model
 
+import dev.usbharu.multim.cache.Cacheable
+
 abstract class Account(
     val screenName: String,
     val accountName: String,
     val isBot: Boolean? = false,
     val avatar: Avatar
-)
+) : Cacheable
diff --git a/core/src/main/kotlin/dev/usbharu/multim/model/StatusId.kt b/core/src/main/kotlin/dev/usbharu/multim/model/StatusId.kt
index 748d141..1a31b27 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/model/StatusId.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/model/StatusId.kt
@@ -1,6 +1,8 @@
 package dev.usbharu.multim.model
 
-abstract class StatusId {
+import dev.usbharu.multim.cache.Cacheable
+
+abstract class StatusId : Cacheable {
     abstract override fun equals(other: Any?): Boolean
     abstract override fun hashCode(): Int
     abstract fun getUrl(): String
diff --git a/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountAccount.kt b/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountAccount.kt
index c030ded..12b828c 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountAccount.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountAccount.kt
@@ -12,4 +12,7 @@ class MultiAccountAccount(
     innerData.accountName,
     innerData.isBot,
     innerData.avatar
-)
+) {
+    override val cacheKey: String
+        get() = innerData.cacheKey
+}
diff --git a/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountStatusId.kt b/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountStatusId.kt
index 1b7d86a..b6d3c3e 100644
--- a/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountStatusId.kt
+++ b/core/src/main/kotlin/dev/usbharu/multim/multi/model/MultiAccountStatusId.kt
@@ -16,4 +16,7 @@ class MultiAccountStatusId(override val innerData: StatusId, override val hashCo
     override fun getUrl(): String {
         return innerData.getUrl()
     }
+
+    override val cacheKey: String
+        get() = innerData.cacheKey
 }
diff --git a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyAccount.kt b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyAccount.kt
index 53159c4..07eea5d 100644
--- a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyAccount.kt
+++ b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyAccount.kt
@@ -9,4 +9,7 @@ class MisskeyAccount(
     accountName: String,
     isBot: Boolean? = false,
     avatar: Avatar
-) : Account(screenName, accountName, isBot, avatar)
+) : Account(screenName, accountName, isBot, avatar){
+    override val cacheKey: String
+        get() = accountName
+}
diff --git a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyStatusId.kt b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyStatusId.kt
index 66b96fa..b86daa6 100644
--- a/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyStatusId.kt
+++ b/impl/misskey/src/main/kotlin/dev/usbharu/multim/misskey/v12/common/MisskeyStatusId.kt
@@ -14,4 +14,7 @@ class MisskeyStatusId(val id: String, private val url: String) : StatusId() {
     override fun getUrl(): String {
         return url
     }
+
+    override val cacheKey: String
+        get() = id
 }
diff --git a/impl/misskey/src/test/kotlin/dev/usbharu/multim/api/MisskeyAccountApiTest.kt b/impl/misskey/src/test/kotlin/dev/usbharu/multim/api/MisskeyAccountApiTest.kt
index 691164c..a938218 100644
--- a/impl/misskey/src/test/kotlin/dev/usbharu/multim/api/MisskeyAccountApiTest.kt
+++ b/impl/misskey/src/test/kotlin/dev/usbharu/multim/api/MisskeyAccountApiTest.kt
@@ -14,8 +14,6 @@ import dev.usbharu.multim.misskey.v12.common.MisskeyAvatar
 import dev.usbharu.multim.misskey.v12.common.api.MisskeyAccountApi
 import dev.usbharu.multim.misskey.v12.common.api.MisskeyApiClient
 import dev.usbharu.multim.model.SingleTokenAuth
-import io.github.aakira.napier.DebugAntilog
-import io.github.aakira.napier.Napier
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.runTest
 import org.junit.jupiter.api.Assertions.*
@@ -98,7 +96,6 @@ class MisskeyAccountApiTest : AccountApiTest() {
             if (it is MultiMHttpError) {
 
             }else {
-                Napier.base(DebugAntilog())
                 Logger.error("Account Api Test","想定されたエラーではない",it)
                 fail("想定されたエラーではない",)
             }
@@ -146,7 +143,6 @@ class MisskeyAccountApiTest : AccountApiTest() {
             if (it is MultiMHttpError) {
 
             }else {
-                Napier.base(DebugAntilog())
                 Logger.error("Account Api Test","想定されたエラーではない",it)
                 fail("想定されたエラーではない",)
             }
@@ -221,7 +217,6 @@ class MisskeyAccountApiTest : AccountApiTest() {
 
     @Test
     override fun relationships_illegalAccount_returnErr() = runTest {
-        Napier.base(DebugAntilog())
         val myself = MisskeyAccount(
             "9bg1zu54y7",
             "test",