diff --git a/backend/endpoints.py b/backend/endpoints.py
index 0e177a0..d22761f 100644
--- a/backend/endpoints.py
+++ b/backend/endpoints.py
@@ -156,9 +156,23 @@ def send_bloom():
     if type_check_error is not None:
         return type_check_error
 
+    content = request.json["content"]
+    MAX_BLOOM_LENGTH = 280
+    
+    if len(content) > MAX_BLOOM_LENGTH:
+        return make_response(
+            (
+                {
+                    "success": False,
+                    "message": "Bloom content cannot exceed {} characters. Your bloom is {} characters long.".format(MAX_BLOOM_LENGTH, len(content)),
+                },
+                400,
+            )
+        )
+
     user = get_current_user()
 
-    blooms.add_bloom(sender=user, content=request.json["content"])
+    blooms.add_bloom(sender=user, content=content)
 
     return jsonify(
         {