diff --git a/packages/backend/src/server/api/endpoints/notes/reactions.ts b/packages/backend/src/server/api/endpoints/notes/reactions.ts
index fbb065329c..15a62d394d 100644
--- a/packages/backend/src/server/api/endpoints/notes/reactions.ts
+++ b/packages/backend/src/server/api/endpoints/notes/reactions.ts
@@ -9,6 +9,9 @@ export const meta = {
 
 	requireCredential: false,
 
+	allowGet: true,
+	cacheSec: 60,
+
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
diff --git a/packages/client/src/components/reactions-viewer.reaction.vue b/packages/client/src/components/reactions-viewer.reaction.vue
index ee40615f16..c29bd46400 100644
--- a/packages/client/src/components/reactions-viewer.reaction.vue
+++ b/packages/client/src/components/reactions-viewer.reaction.vue
@@ -70,10 +70,11 @@ onMounted(() => {
 });
 
 useTooltip(buttonRef, async (showing) => {
-	const reactions = await os.api('notes/reactions', {
+	const reactions = await os.apiGet('notes/reactions', {
 		noteId: props.note.id,
 		type: props.reaction,
 		limit: 11,
+		_cacheKey_: props.count,
 	});
 
 	const users = reactions.map(x => x.user);