diff --git a/backend/endpoints.py b/backend/endpoints.py
index 0e177a0..d3c8731 100644
--- a/backend/endpoints.py
+++ b/backend/endpoints.py
@@ -156,6 +156,13 @@ def send_bloom():
     if type_check_error is not None:
         return type_check_error
 
+    content = request.json["content"]
+
+    if len(content) > 280:
+        return jsonify(
+            {"success": False, "message": "content exceeds maximum length of 280"}
+        ), 400
+
     user = get_current_user()
 
     blooms.add_bloom(sender=user, content=request.json["content"])