diff --git a/app/src/main/java/io/heckel/ntfy/backup/Backuper.kt b/app/src/main/java/io/heckel/ntfy/backup/Backuper.kt
index 9be9bc37..2dafa839 100644
--- a/app/src/main/java/io/heckel/ntfy/backup/Backuper.kt
+++ b/app/src/main/java/io/heckel/ntfy/backup/Backuper.kt
@@ -156,6 +156,7 @@ class Backuper(val context: Context) {
                             body = a.body,
                             intent = a.intent,
                             extras = a.extras,
+                            value = a.value,
                             progress = a.progress,
                             error = a.error
                         )
@@ -316,6 +317,7 @@ class Backuper(val context: Context) {
                     body = a.body,
                     intent = a.intent,
                     extras = a.extras,
+                    value = a.value,
                     progress = a.progress,
                     error = a.error
                 )
@@ -459,7 +461,7 @@ data class Notification(
 
 data class Action(
     val id: String, // Synthetic ID to identify result, and easily pass via Broadcast and WorkManager
-    val action: String, // "view", "http" or "broadcast"
+    val action: String, // "view", "http", "broadcast", or "copy"
     val label: String,
     val clear: Boolean?, // clear notification after successful execution
     val url: String?, // used in "view" and "http" actions
@@ -468,6 +470,7 @@ data class Action(
     val body: String?, // used in "http" action
     val intent: String?, // used in "broadcast" action
     val extras: Map<String,String>?, // used in "broadcast" action
+    val value: String? = null, // used in "copy" action
     val progress: Int?, // used to indicate progress in popup
     val error: String? // used to indicate errors in popup
 )
diff --git a/app/src/main/java/io/heckel/ntfy/db/Database.kt b/app/src/main/java/io/heckel/ntfy/db/Database.kt
index fa3b7187..16ab2231 100644
--- a/app/src/main/java/io/heckel/ntfy/db/Database.kt
+++ b/app/src/main/java/io/heckel/ntfy/db/Database.kt
@@ -222,7 +222,7 @@ data class Icon(
 @Entity
 data class Action(
     @ColumnInfo(name = "id") val id: String, // Synthetic ID to identify result, and easily pass via Broadcast and WorkManager
-    @ColumnInfo(name = "action") val action: String, // "view", "http" or "broadcast"
+    @ColumnInfo(name = "action") val action: String, // "view", "http", "broadcast", or "copy"
     @ColumnInfo(name = "label") val label: String,
     @ColumnInfo(name = "clear") val clear: Boolean?, // clear notification after successful execution
     @ColumnInfo(name = "url") val url: String?, // used in "view" and "http" actions
@@ -231,6 +231,7 @@ data class Action(
     @ColumnInfo(name = "body") val body: String?, // used in "http" action
     @ColumnInfo(name = "intent") val intent: String?, // used in "broadcast" action
     @ColumnInfo(name = "extras") val extras: Map<String,String>?, // used in "broadcast" action
+    @ColumnInfo(name = "value") val value: String?, // used in "copy" action
     @ColumnInfo(name = "progress") val progress: Int?, // used to indicate progress in popup
     @ColumnInfo(name = "error") val error: String?, // used to indicate errors in popup
 )
diff --git a/app/src/main/java/io/heckel/ntfy/msg/Message.kt b/app/src/main/java/io/heckel/ntfy/msg/Message.kt
index 8aa62b5f..d20720a7 100644
--- a/app/src/main/java/io/heckel/ntfy/msg/Message.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/Message.kt
@@ -37,7 +37,7 @@ data class MessageAttachment(
 data class MessageAction(
     val id: String,
     val action: String,
-    val label: String, // "view", "broadcast" or "http"
+    val label: String, // "view", "broadcast", "http", or "copy"
     val clear: Boolean?, // clear notification after successful execution
     val url: String?, // used in "view" and "http" actions
     val method: String?, // used in "http" action, default is POST (!)
@@ -45,6 +45,7 @@ data class MessageAction(
     val body: String?, // used in "http" action
     val intent: String?, // used in "broadcast" action
     val extras: Map<String,String>?, // used in "broadcast" action
+    val value: String?, // used in "copy" action
 )
 
 const val MESSAGE_ENCODING_BASE64 = "base64"
diff --git a/app/src/main/java/io/heckel/ntfy/msg/NotificationParser.kt b/app/src/main/java/io/heckel/ntfy/msg/NotificationParser.kt
index 14ff71ac..25023295 100644
--- a/app/src/main/java/io/heckel/ntfy/msg/NotificationParser.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/NotificationParser.kt
@@ -48,6 +48,7 @@ class NotificationParser {
                 body = a.body,
                 intent = a.intent,
                 extras = a.extras,
+                value = a.value,
                 progress = null,
                 error = null
             )
@@ -96,6 +97,7 @@ class NotificationParser {
                 body = a.body,
                 intent = a.intent,
                 extras = a.extras,
+                value = a.value,
                 progress = null,
                 error = null
             )
diff --git a/app/src/main/java/io/heckel/ntfy/msg/NotificationService.kt b/app/src/main/java/io/heckel/ntfy/msg/NotificationService.kt
index 1d621ecc..ad489dde 100644
--- a/app/src/main/java/io/heckel/ntfy/msg/NotificationService.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/NotificationService.kt
@@ -267,7 +267,7 @@ class NotificationService(val context: Context) {
                     addViewUserActionWithoutClear(builder, action)
                 }
             } else {
-                addHttpOrBroadcastUserAction(builder, notification, action)
+                addHttpBroadcastOrCopyUserAction(builder, notification, action)
             }
         }
     }
@@ -310,7 +310,7 @@ class NotificationService(val context: Context) {
         }
     }
 
-    private fun addHttpOrBroadcastUserAction(builder: NotificationCompat.Builder, notification: Notification, action: Action) {
+    private fun addHttpBroadcastOrCopyUserAction(builder: NotificationCompat.Builder, notification: Notification, action: Action) {
         val intent = Intent(context, UserActionBroadcastReceiver::class.java).apply {
             putExtra(BROADCAST_EXTRA_TYPE, BROADCAST_TYPE_USER_ACTION)
             putExtra(BROADCAST_EXTRA_NOTIFICATION_ID, notification.id)
@@ -323,7 +323,7 @@ class NotificationService(val context: Context) {
 
     /**
      * Receives the broadcast from
-     * - the "http" and "broadcast" action button (the "view" action is handled differently)
+     * - the "http", "broadcast", and "copy" action button (the "view" action is handled differently)
      * - the "download"/"cancel" action button
      *
      * Then queues a Worker via WorkManager to execute the action in the background
@@ -523,6 +523,7 @@ class NotificationService(val context: Context) {
         const val ACTION_VIEW = "view"
         const val ACTION_HTTP = "http"
         const val ACTION_BROADCAST = "broadcast"
+        const val ACTION_COPY = "copy"
 
         const val BROADCAST_EXTRA_TYPE = "type"
         const val BROADCAST_EXTRA_NOTIFICATION_ID = "notificationId"
diff --git a/app/src/main/java/io/heckel/ntfy/msg/UserActionWorker.kt b/app/src/main/java/io/heckel/ntfy/msg/UserActionWorker.kt
index a31c4015..41a11a42 100644
--- a/app/src/main/java/io/heckel/ntfy/msg/UserActionWorker.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/UserActionWorker.kt
@@ -13,9 +13,11 @@ import io.heckel.ntfy.db.Notification
 import io.heckel.ntfy.db.Repository
 import io.heckel.ntfy.db.Subscription
 import io.heckel.ntfy.msg.NotificationService.Companion.ACTION_BROADCAST
+import io.heckel.ntfy.msg.NotificationService.Companion.ACTION_COPY
 import io.heckel.ntfy.msg.NotificationService.Companion.ACTION_HTTP
 import io.heckel.ntfy.util.HttpUtil
 import io.heckel.ntfy.util.Log
+import io.heckel.ntfy.util.copyToClipboard
 import io.heckel.ntfy.util.extractBaseUrl
 import okhttp3.RequestBody.Companion.toRequestBody
 import java.util.Locale
@@ -45,6 +47,7 @@ class UserActionWorker(private val context: Context, params: WorkerParameters) :
                 // ACTION_VIEW is not handled here. It's handled in the NotificationService and DetailAdapter.
                 ACTION_BROADCAST -> performBroadcastAction(action)
                 ACTION_HTTP -> performHttpAction(action)
+                ACTION_COPY -> performCopyAction(action)
             }
         } catch (e: Exception) {
             Log.w(TAG, "Error executing action: ${e.message}", e)
@@ -56,6 +59,15 @@ class UserActionWorker(private val context: Context, params: WorkerParameters) :
         return Result.success()
     }
 
+    private fun performCopyAction(action: Action) {
+        val value = action.value ?: return
+        copyToClipboard(context, action.label, value)
+        if (action.clear == true) {
+            notifier.cancel(notification)
+            repository.markAsReadBySequenceId(subscription.id, notification.sequenceId)
+        }
+    }
+
     private fun performBroadcastAction(action: Action) {
         broadcaster.sendUserAction(action)
         if (action.clear == true) {
diff --git a/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt b/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt
index 67f8bd9c..dd2187f8 100644
--- a/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/DetailAdapter.kt
@@ -32,6 +32,7 @@ import io.heckel.ntfy.msg.DownloadAttachmentWorker
 import io.heckel.ntfy.msg.DownloadManager
 import io.heckel.ntfy.msg.DownloadType
 import io.heckel.ntfy.msg.NotificationService
+import io.heckel.ntfy.msg.NotificationService.Companion.ACTION_COPY
 import io.heckel.ntfy.msg.NotificationService.Companion.ACTION_VIEW
 import io.heckel.ntfy.util.*
 import io.noties.markwon.Markwon
@@ -515,6 +516,7 @@ class DetailAdapter(private val activity: Activity, private val lifecycleScope:
         private fun runAction(context: Context, notification: Notification, action: Action): Boolean {
             when (action.action) {
                 ACTION_VIEW -> runViewAction(context, action)
+                ACTION_COPY -> runCopyAction(context, action)
                 else -> runOtherUserAction(context, notification, action)
             }
             return true
@@ -536,6 +538,11 @@ class DetailAdapter(private val activity: Activity, private val lifecycleScope:
             }
         }
 
+        private fun runCopyAction(context: Context, action: Action) {
+            val value = action.value ?: return
+            copyToClipboard(context, action.label, value)
+        }
+
         private fun runOtherUserAction(context: Context, notification: Notification, action: Action) {
             val intent = Intent(context, NotificationService.UserActionBroadcastReceiver::class.java).apply {
                 putExtra(NotificationService.BROADCAST_EXTRA_TYPE, NotificationService.BROADCAST_TYPE_USER_ACTION)
diff --git a/fastlane/metadata/android/en-US/changelog/NEXT.txt b/fastlane/metadata/android/en-US/changelog/NEXT.txt
index 428ece57..8c91e5e5 100644
--- a/fastlane/metadata/android/en-US/changelog/NEXT.txt
+++ b/fastlane/metadata/android/en-US/changelog/NEXT.txt
@@ -3,6 +3,7 @@ Features:
 * Add "reconnecting to N topics ..." to foreground notification (#1101, thanks to @milosivanovic for reporting)
 * Default server dialog with full-screen UI and stricter URL validation (ntfy-android#158)
 * Show last notification time for UnifiedPush subscriptions (#1230, #1454, thanks to @Tealk and @user4andre for reporting)
+* Support "copy" action button to copy a value to the clipboard (#1364, thanks to @SudoWatson for reporting)
 
 Bug fixes + maintenance:
 * Fix clear=true on action buttons not marking notification as read (#1029, thanks to @ElFishi for reporting)