diff --git a/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/api/StatusesResources.java b/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/api/StatusesResources.java
index cf86f57b8..cca9e0f7a 100644
--- a/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/api/StatusesResources.java
+++ b/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/api/StatusesResources.java
@@ -69,4 +69,10 @@ public interface StatusesResources {
 
     @POST("/v1/statuses/{id}/unfavourite")
     Status unfavouriteStatus(@Path("id") String id) throws MicroBlogException;
+
+    @POST("/v1/statuses/{id}/pin")
+    Status pinStatus(@Path("id") String id) throws MicroBlogException;
+
+    @POST("/v1/statuses/{id}/unpin")
+    Status unpinStatus(@Path("id") String id) throws MicroBlogException;
 }
diff --git a/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/model/Status.java b/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/model/Status.java
index b47d2bf85..0088c1b0e 100644
--- a/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/model/Status.java
+++ b/twidere.component.common/src/main/java/org/mariotaku/microblog/library/mastodon/model/Status.java
@@ -103,6 +103,11 @@ public class Status {
      */
     @JsonField(name = "sensitive")
     boolean sensitive;
+    /**
+     * Whether the authenticated user has pinned the status
+     */
+    @JsonField(name = "pinned")
+    boolean pinned;
     /**
      * If not empty, warning text that should be displayed before the actual content
      */
@@ -194,6 +199,10 @@ public class Status {
         return sensitive;
     }
 
+    public boolean isPinned() {
+        return pinned;
+    }
+
     public String getSpoilerText() {
         return spoilerText;
     }
@@ -251,6 +260,7 @@ public class Status {
                 ", reblogged=" + reblogged +
                 ", favourited=" + favourited +
                 ", sensitive=" + sensitive +
+                ", pinned=" + pinned +
                 ", spoilerText='" + spoilerText + '\'' +
                 ", visibility='" + visibility + '\'' +
                 ", mediaAttachments=" + Arrays.toString(mediaAttachments) +
diff --git a/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/PinStatusTask.kt b/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/PinStatusTask.kt
index 49e1b2dcf..d87adccc5 100644
--- a/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/PinStatusTask.kt
+++ b/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/PinStatusTask.kt
@@ -22,8 +22,12 @@ package org.mariotaku.twidere.task.status
 import android.content.Context
 import android.widget.Toast
 import org.mariotaku.microblog.library.MicroBlog
+import org.mariotaku.microblog.library.MicroBlogException
+import org.mariotaku.microblog.library.mastodon.Mastodon
 import org.mariotaku.microblog.library.twitter.model.PinTweetResult
 import org.mariotaku.twidere.R
+import org.mariotaku.twidere.annotation.AccountType
+import org.mariotaku.twidere.exception.APINotSupportedException
 import org.mariotaku.twidere.extension.model.newMicroBlogInstance
 import org.mariotaku.twidere.model.AccountDetails
 import org.mariotaku.twidere.model.UserKey
@@ -37,9 +41,20 @@ import org.mariotaku.twidere.task.AbsAccountRequestTask
 class PinStatusTask(context: Context, accountKey: UserKey, val id: String) : AbsAccountRequestTask<Any?,
         PinTweetResult, Any?>(context, accountKey) {
 
+    @Throws(MicroBlogException::class)
     override fun onExecute(account: AccountDetails, params: Any?): PinTweetResult {
-        val twitter = account.newMicroBlogInstance(context, MicroBlog::class.java)
-        return twitter.pinTweet(id)
+        when (account.type) {
+            AccountType.MASTODON -> {
+                val mastodon = account.newMicroBlogInstance(context, Mastodon::class.java)
+                return mastodon.pinStatus(id)
+            }
+            AccountType.TWITTER -> {
+                val twitter = account.newMicroBlogInstance(context, MicroBlog::class.java)
+                return twitter.pinTweet(id)
+            }
+            else -> {
+                throw APINotSupportedException(account.type)
+            }
     }
 
     override fun onSucceed(callback: Any?, result: PinTweetResult) {
diff --git a/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/UnpinStatusTask.kt b/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/UnpinStatusTask.kt
index 0bcc94aa7..1f1d452b7 100644
--- a/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/UnpinStatusTask.kt
+++ b/twidere/src/main/kotlin/org/mariotaku/twidere/task/status/UnpinStatusTask.kt
@@ -22,6 +22,8 @@ package org.mariotaku.twidere.task.status
 import android.content.Context
 import android.widget.Toast
 import org.mariotaku.microblog.library.MicroBlog
+import org.mariotaku.microblog.library.MicroBlogException
+import org.mariotaku.microblog.library.mastodon.Mastodon
 import org.mariotaku.microblog.library.twitter.model.PinTweetResult
 import org.mariotaku.twidere.R
 import org.mariotaku.twidere.extension.model.newMicroBlogInstance
@@ -29,6 +31,8 @@ import org.mariotaku.twidere.model.AccountDetails
 import org.mariotaku.twidere.model.UserKey
 import org.mariotaku.twidere.model.event.StatusPinEvent
 import org.mariotaku.twidere.task.AbsAccountRequestTask
+import org.mariotaku.twidere.annotation.AccountType
+import org.mariotaku.twidere.exception.APINotSupportedException
 
 /**
  * Created by mariotaku on 2017/4/28.
@@ -37,9 +41,20 @@ import org.mariotaku.twidere.task.AbsAccountRequestTask
 class UnpinStatusTask(context: Context, accountKey: UserKey, val id: String) : AbsAccountRequestTask<Any?,
         PinTweetResult, Any?>(context, accountKey) {
 
+    @Throws(MicroBlogException::class)
     override fun onExecute(account: AccountDetails, params: Any?): PinTweetResult {
-        val twitter = account.newMicroBlogInstance(context, MicroBlog::class.java)
-        return twitter.unpinTweet(id)
+        when (account.type) {
+            AccountType.MASTODON -> {
+                val mastodon = account.newMicroBlogInstance(context, Mastodon::class.java)
+                return mastodon.unpinStatus(id)
+            }
+            AccountType.TWITTER -> {
+                val twitter = account.newMicroBlogInstance(context, MicroBlog::class.java)
+                return twitter.unpinTweet(id)
+            }
+            else -> {
+                throw APINotSupportedException(account.type)
+            }
     }
 
     override fun onSucceed(callback: Any?, result: PinTweetResult) {