diff --git a/backend/endpoints.py b/backend/endpoints.py
index 0e177a07..b9c8f4b0 100644
--- a/backend/endpoints.py
+++ b/backend/endpoints.py
@@ -157,8 +157,18 @@ def send_bloom():
         return type_check_error
 
     user = get_current_user()
-
-    blooms.add_bloom(sender=user, content=request.json["content"])
+    content = request.json["content"]
+    
+    if len(content) > 280:
+        return make_response(
+            jsonify({
+                "success": False, 
+                "message": "Bloom must be 280 characters or less"
+            }), 
+            400
+        )
+    
+    blooms.add_bloom(sender=user, content=content)
 
     return jsonify(
         {