diff --git a/packages/api/src/generated/graphql.ts b/packages/api/src/generated/graphql.ts
index d1c96d1cf..222de229a 100644
--- a/packages/api/src/generated/graphql.ts
+++ b/packages/api/src/generated/graphql.ts
@@ -2223,6 +2223,7 @@ export type SearchError = {
 };
 
 export enum SearchErrorCode {
+  QueryTooLong = 'QUERY_TOO_LONG',
   Unauthorized = 'UNAUTHORIZED'
 }
 
diff --git a/packages/api/src/generated/schema.graphql b/packages/api/src/generated/schema.graphql
index 7490fb535..bee6ae46c 100644
--- a/packages/api/src/generated/schema.graphql
+++ b/packages/api/src/generated/schema.graphql
@@ -1623,6 +1623,7 @@ type SearchError {
 }
 
 enum SearchErrorCode {
+  QUERY_TOO_LONG
   UNAUTHORIZED
 }
 
diff --git a/packages/api/src/resolvers/article/index.ts b/packages/api/src/resolvers/article/index.ts
index defec536c..041d930c1 100644
--- a/packages/api/src/resolvers/article/index.ts
+++ b/packages/api/src/resolvers/article/index.ts
@@ -53,6 +53,7 @@ import {
   SaveArticleReadingProgressErrorCode,
   SaveArticleReadingProgressSuccess,
   SearchError,
+  SearchErrorCode,
   SearchItem,
   SearchSuccess,
   SetBookmarkArticleError,
@@ -873,6 +874,11 @@ export const searchResolver = authorized<
   const startCursor = params.after || ''
   const first = params.first || 10
 
+  // the query size is limited to 255 characters
+  if (params.query && params.query.length > 255) {
+    return { errorCodes: [SearchErrorCode.QueryTooLong] }
+  }
+
   const searchQuery = parseSearchQuery(params.query || undefined)
 
   analytics.track({
diff --git a/packages/api/src/schema.ts b/packages/api/src/schema.ts
index c409027c1..d749e97d6 100755
--- a/packages/api/src/schema.ts
+++ b/packages/api/src/schema.ts
@@ -1587,6 +1587,7 @@ const schema = gql`
 
   enum SearchErrorCode {
     UNAUTHORIZED
+    QUERY_TOO_LONG
   }
 
   type SearchError {