diff --git a/crates/api/src/post/block.rs b/crates/api/src/post/block.rs
new file mode 100644
index 000000000..2d1baa958
--- /dev/null
+++ b/crates/api/src/post/block.rs
@@ -0,0 +1,25 @@
+use lemmy_api_common::{post::{BlockKeywordForPost}, context::LemmyContext, SuccessResponse};
+use lemmy_db_views::structs::LocalUserView;
+use activitypub_federation::config::Data;
+use actix_web::web::Json;
+use lemmy_utils::error::LemmyResult;
+use lemmy_db_schema::source::post_keyword_block::{PostKeywordBlock, PostKeywordBlockForm};
+
+pub async fn user_block_keyword_for_posts(
+    data: Json<BlockKeywordForPost>,
+    context: Data<LemmyContext>,
+    local_user_view: LocalUserView
+) -> LemmyResult<Json<SuccessResponse>>{
+
+    let person_id = local_user_view.person.id;
+    let post_block_keyword_form = PostKeywordBlockForm {
+        person_id,
+        keyword: data.keyword.clone(),
+    };
+    if(data.block){
+        PostKeywordBlock::block_keyword(&mut context.pool(), &post_block_keyword_form).await?;
+    } else {
+        PostKeywordBlock::unblock_keyword(&mut context.pool(), &post_block_keyword_form).await?;
+    }
+    Ok(Json(SuccessResponse::default()))
+}
\ No newline at end of file
diff --git a/crates/api/src/post/mod.rs b/crates/api/src/post/mod.rs
index 97410f097..340dd0401 100644
--- a/crates/api/src/post/mod.rs
+++ b/crates/api/src/post/mod.rs
@@ -7,3 +7,4 @@ pub mod lock;
 pub mod mark_many_read;
 pub mod mark_read;
 pub mod save;
+pub mod block;
diff --git a/crates/api_common/src/post.rs b/crates/api_common/src/post.rs
index 405de3a92..c53efc4f0 100644
--- a/crates/api_common/src/post.rs
+++ b/crates/api_common/src/post.rs
@@ -366,3 +366,12 @@ pub struct ListPostLikes {
 pub struct ListPostLikesResponse {
   pub post_likes: Vec<VoteView>,
 }
+
+#[derive(Debug,Serialize,Deserialize,Clone)]
+#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", ts(export))]
+pub struct BlockKeywordForPost {
+    pub keyword: String,
+    pub block : bool,
+}
+
diff --git a/crates/api_common/src/site.rs b/crates/api_common/src/site.rs
index 7f1000b14..3df7f5ff5 100644
--- a/crates/api_common/src/site.rs
+++ b/crates/api_common/src/site.rs
@@ -65,6 +65,7 @@ use serde::{Deserialize, Serialize};
 use serde_with::skip_serializing_none;
 #[cfg(feature = "full")]
 use ts_rs::TS;
+use lemmy_db_schema::source::post_keyword_block::PostKeywordBlock;
 
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone, Default, PartialEq, Eq, Hash)]
@@ -479,6 +480,7 @@ pub struct MyUserInfo {
   pub community_blocks: Vec<Community>,
   pub instance_blocks: Vec<Instance>,
   pub person_blocks: Vec<Person>,
+  pub post_keyword_blocks: Vec<PostKeywordBlock>,
   pub discussion_languages: Vec<LanguageId>,
 }
 
diff --git a/crates/api_crud/src/user/my_user.rs b/crates/api_crud/src/user/my_user.rs
index f7a92eb99..7d12963af 100644
--- a/crates/api_crud/src/user/my_user.rs
+++ b/crates/api_crud/src/user/my_user.rs
@@ -6,6 +6,7 @@ use lemmy_db_schema::source::{
   instance_block::InstanceBlock,
   person_block::PersonBlock,
 };
+use lemmy_db_schema::source::post_keyword_block::PostKeywordBlock;
 use lemmy_db_views::structs::LocalUserView;
 use lemmy_db_views_actor::structs::{CommunityFollowerView, CommunityModeratorView};
 use lemmy_utils::error::{LemmyErrorExt, LemmyErrorType, LemmyResult};
@@ -22,12 +23,13 @@ pub async fn get_my_user(
   let local_user_id = local_user_view.local_user.id;
   let pool = &mut context.pool();
 
-  let (follows, community_blocks, instance_blocks, person_blocks, moderates, discussion_languages) =
+  let (follows, community_blocks, instance_blocks, person_blocks, post_keyword_blocks, moderates, discussion_languages) =
     lemmy_db_schema::try_join_with_pool!(pool => (
       |pool| CommunityFollowerView::for_person(pool, person_id),
       |pool| CommunityBlock::for_person(pool, person_id),
       |pool| InstanceBlock::for_person(pool, person_id),
       |pool| PersonBlock::for_person(pool, person_id),
+      |pool| PostKeywordBlock::for_person(pool, person_id),
       |pool| CommunityModeratorView::for_person(pool, person_id, Some(&local_user_view.local_user)),
       |pool| LocalUserLanguage::read(pool, local_user_id)
     ))
@@ -40,6 +42,7 @@ pub async fn get_my_user(
     community_blocks,
     instance_blocks,
     person_blocks,
+    post_keyword_blocks,
     discussion_languages,
   }))
 }
diff --git a/src/api_routes_v3.rs b/src/api_routes_v3.rs
index eefaf5b87..f07a3273c 100644
--- a/src/api_routes_v3.rs
+++ b/src/api_routes_v3.rs
@@ -89,6 +89,7 @@ use lemmy_api::{
   },
   sitemap::get_sitemap,
 };
+use lemmy_api::post::block::user_block_keyword_for_posts;
 use lemmy_api_crud::{
   comment::{
     create::create_comment,
@@ -223,7 +224,8 @@ pub fn config(cfg: &mut ServiceConfig, rate_limit: &RateLimitCell) {
           .route("/report", post().to(create_post_report))
           .route("/report/resolve", put().to(resolve_post_report))
           .route("/report/list", get().to(list_post_reports))
-          .route("/site_metadata", get().to(get_link_metadata)),
+          .route("/site_metadata", get().to(get_link_metadata))
+          .route("/block",post().to(user_block_keyword_for_posts)),
       )
       // Comment
       .service(
diff --git a/src/api_routes_v4.rs b/src/api_routes_v4.rs
index a9f71c9da..818db28b1 100644
--- a/src/api_routes_v4.rs
+++ b/src/api_routes_v4.rs
@@ -98,6 +98,7 @@ use lemmy_api::{
   },
   sitemap::get_sitemap,
 };
+use lemmy_api::post::block::user_block_keyword_for_posts;
 use lemmy_api_crud::{
   comment::{
     create::create_comment,
@@ -320,7 +321,8 @@ pub fn config(cfg: &mut ServiceConfig, rate_limit: &RateLimitCell) {
             scope("/block")
               .route("/person", post().to(user_block_person))
               .route("/community", post().to(user_block_community))
-              .route("/instance", post().to(user_block_instance)),
+              .route("/instance", post().to(user_block_instance))
+              .route("/post",get().to(user_block_keyword_for_posts)),
           ),
       )
       // User actions