diff --git a/.sqlx/query-bde2b88ffb1b59362c7ae82369892c79131c175924f95e5d48d75931fb846f41.json b/.sqlx/query-bde2b88ffb1b59362c7ae82369892c79131c175924f95e5d48d75931fb846f41.json
new file mode 100644
index 00000000..09567b35
--- /dev/null
+++ b/.sqlx/query-bde2b88ffb1b59362c7ae82369892c79131c175924f95e5d48d75931fb846f41.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n      SELECT email FROM af_user WHERE uuid = $1\n    ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "email",
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Uuid"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "bde2b88ffb1b59362c7ae82369892c79131c175924f95e5d48d75931fb846f41"
+}
diff --git a/libs/client-api/src/http.rs b/libs/client-api/src/http.rs
index 20c1c6d1..0cc65004 100644
--- a/libs/client-api/src/http.rs
+++ b/libs/client-api/src/http.rs
@@ -585,6 +585,19 @@ impl Client {
       .into_data()
   }
 
+  #[instrument(level = "debug", skip_all, err)]
+  pub async fn leave_workspace(&self, workspace_id: &str) -> Result<(), AppResponseError> {
+    let url = format!("{}/api/workspace/{}/leave", self.base_url, workspace_id);
+    let resp = self
+      .http_client_with_auth(Method::POST, &url)
+      .await?
+      .json(&())
+      .send()
+      .await?;
+    log_request_id(&resp);
+    AppResponse::<()>::from_response(resp).await?.into_error()
+  }
+
   #[instrument(level = "debug", skip_all, err)]
   pub async fn get_workspace_members<W: AsRef<str>>(
     &self,
diff --git a/libs/database/src/user.rs b/libs/database/src/user.rs
index d66fc494..3fa75cc8 100644
--- a/libs/database/src/user.rs
+++ b/libs/database/src/user.rs
@@ -196,3 +196,19 @@ pub async fn is_user_exist<'a, E: Executor<'a, Database = Postgres>>(
 
   Ok(exists.unwrap_or(false))
 }
+
+#[inline]
+pub async fn select_email_from_user_uuid(
+  pool: &PgPool,
+  user_uuid: &Uuid,
+) -> Result<String, AppError> {
+  let email = sqlx::query_scalar!(
+    r#"
+      SELECT email FROM af_user WHERE uuid = $1
+    "#,
+    user_uuid
+  )
+  .fetch_one(pool)
+  .await?;
+  Ok(email)
+}
diff --git a/src/api/workspace.rs b/src/api/workspace.rs
index 4ff2cb33..17dd51f9 100644
--- a/src/api/workspace.rs
+++ b/src/api/workspace.rs
@@ -74,6 +74,7 @@ pub fn workspace_scope() -> Scope {
       .route(web::delete().to(delete_workspace_handler))
     )
     .service(web::resource("/{workspace_id}/open").route(web::put().to(open_workspace_handler)))
+    .service(web::resource("/{workspace_id}/leave").route(web::post().to(leave_workspace_handler)))
     .service(
       web::resource("/{workspace_id}/member")
         .route(web::get().to(get_workspace_members_handler))
@@ -342,6 +343,23 @@ async fn open_workspace_handler(
   Ok(AppResponse::Ok().with_data(workspace).into())
 }
 
+#[instrument(level = "debug", skip_all, err)]
+async fn leave_workspace_handler(
+  user_uuid: UserUuid,
+  state: Data<AppState>,
+  workspace_id: web::Path<Uuid>,
+) -> Result<JsonAppResponse<()>> {
+  let workspace_id = workspace_id.into_inner();
+  workspace::ops::leave_workspace(
+    &state.pg_pool,
+    &workspace_id,
+    &user_uuid,
+    &state.workspace_access_control,
+  )
+  .await?;
+  Ok(AppResponse::Ok().into())
+}
+
 #[instrument(level = "debug", skip_all, err)]
 async fn update_workspace_member_handler(
   payload: Json<WorkspaceMemberChangeset>,
diff --git a/src/biz/collab/access_control.rs b/src/biz/collab/access_control.rs
index 6d49851d..c8ac3f8c 100644
--- a/src/biz/collab/access_control.rs
+++ b/src/biz/collab/access_control.rs
@@ -43,6 +43,7 @@ pub trait CollabAccessControl: Sync + Send + 'static {
 
   async fn remove_access_level(&self, uid: &i64, oid: &str) -> Result<(), AppError>;
 }
+
 #[derive(Clone)]
 pub struct CollabMiddlewareAccessControl<AC: CollabAccessControl> {
   pub access_control: Arc<AC>,
diff --git a/src/biz/workspace/ops.rs b/src/biz/workspace/ops.rs
index c7e90a47..2b9b6d2b 100644
--- a/src/biz/workspace/ops.rs
+++ b/src/biz/workspace/ops.rs
@@ -315,6 +315,16 @@ pub async fn add_workspace_members_db_only(
   Ok(())
 }
 
+pub async fn leave_workspace(
+  pg_pool: &PgPool,
+  workspace_id: &Uuid,
+  user_uuid: &Uuid,
+  workspace_access_control: &impl WorkspaceAccessControl,
+) -> Result<(), AppResponseError> {
+  let email = database::user::select_email_from_user_uuid(pg_pool, user_uuid).await?;
+  remove_workspace_members(pg_pool, workspace_id, &[email], workspace_access_control).await
+}
+
 pub async fn remove_workspace_members(
   pg_pool: &PgPool,
   workspace_id: &Uuid,
diff --git a/tests/workspace/member_crud.rs b/tests/workspace/member_crud.rs
index 2d318703..4655c929 100644
--- a/tests/workspace/member_crud.rs
+++ b/tests/workspace/member_crud.rs
@@ -352,3 +352,35 @@ async fn get_user_workspace_info_after_open_workspace() {
     workspace_id_c1
   );
 }
+
+#[tokio::test]
+async fn member_leave_workspace_test() {
+  let c1 = TestClient::new_user().await;
+  let workspace_id_c1 = c1.workspace_id().await;
+
+  let c2 = TestClient::new_user().await;
+  c1.add_workspace_member(&workspace_id_c1, &c2, AFRole::Member)
+    .await;
+  c2.api_client
+    .leave_workspace(&workspace_id_c1)
+    .await
+    .unwrap();
+
+  let members = c1.get_workspace_members(&workspace_id_c1).await;
+  assert_eq!(members.len(), 1);
+}
+
+#[tokio::test]
+async fn owner_leave_workspace_test() {
+  let c1 = TestClient::new_user().await;
+  let workspace_id_c1 = c1.workspace_id().await;
+
+  let err = c1
+    .api_client
+    .leave_workspace(&workspace_id_c1)
+    .await
+    .unwrap_err();
+
+  // owner of workspace cannot leave the workspace
+  assert_eq!(err.code, ErrorCode::NotEnoughPermissions);
+}