diff --git a/src/http.ts b/src/http.ts
index 29af416..50003c1 100644
--- a/src/http.ts
+++ b/src/http.ts
@@ -93,6 +93,7 @@ import {
   ListPostReports,
   ListPostReportsResponse,
   LockPost,
+  MarkPostAsRead,
   PostReportResponse,
   PostResponse,
   RemovePost,
@@ -334,6 +335,14 @@ export class LemmyHttp {
     return this.wrapper(HttpType.Post, "/post/remove", form);
   }
 
+  /**
+   * Mark a post as read.
+   * `HTTP.POST /post/mark_as_read`
+   */
+  async markPostAsRead(form: MarkPostAsRead): Promise<PostResponse> {
+    return this.wrapper(HttpType.Post, "/post/mark_as_read", form);
+  }
+
   /**
    * A moderator can lock a post ( IE disable new comments ).
    */
diff --git a/src/interfaces/api/post.ts b/src/interfaces/api/post.ts
index 651bed4..0600cd1 100644
--- a/src/interfaces/api/post.ts
+++ b/src/interfaces/api/post.ts
@@ -95,6 +95,15 @@ export interface RemovePost {
   auth: string;
 }
 
+/**
+ * Marks a post as read.
+ */
+export interface MarkPostAsRead {
+  post_id: number;
+  read: boolean;
+  auth: string;
+}
+
 /**
  * Only admins and mods can lock a post.
  */
diff --git a/src/interfaces/others.ts b/src/interfaces/others.ts
index 72fce46..7676d7f 100644
--- a/src/interfaces/others.ts
+++ b/src/interfaces/others.ts
@@ -26,6 +26,7 @@ export enum UserOperation {
   RemovePost,
   LockPost,
   StickyPost,
+  MarkPostAsRead,
   SavePost,
   EditCommunity,
   DeleteCommunity,
diff --git a/src/websocket.ts b/src/websocket.ts
index 35f91b4..6c2da7c 100644
--- a/src/websocket.ts
+++ b/src/websocket.ts
@@ -61,6 +61,7 @@ import {
   GetSiteMetadata,
   ListPostReports,
   LockPost,
+  MarkPostAsRead,
   RemovePost,
   ResolvePostReport,
   SavePost,
@@ -332,6 +333,13 @@ export class LemmyWebsocket {
     return wrapper(UserOperation.StickyPost, form);
   }
 
+  /**
+   * Mark a post as read.
+   */
+  markPostAsRead(form: MarkPostAsRead) {
+    return wrapper(UserOperation.MarkPostAsRead, form);
+  }
+
   /**
    * Save a post.
    */