update

backend/app/main.py

@@ -422,28 +422,26 @@ async def push_to_smartlead(request: SmartleadPushRequest, db: Session = Depends
                     failed_count += 1
                     continue
                 
-                # Build custom variables
-                custom_variables = {}
+                # Build lead object - Smartlead API expects custom variables at top level, not nested
+                # Smartlead API doesn't allow "company", "title", or "custom_variables" nested object
+                lead = {
+                    "email": email,
+                    "first_name": first_name,
+                    "last_name": last_name
+                }
+                
+                # Add custom variables directly to lead object (subject_1, body_1, etc.)
                 for i in range(1, 11):
                     if i in contact.get('subjects', {}):
                         subject = contact['subjects'][i]
                         subject_str = safe_str(subject) if subject else ""
                         if subject_str:
-                            custom_variables[f'subject_{i}'] = subject_str
+                            lead[f'subject_{i}'] = subject_str
                     if i in contact.get('bodies', {}):
                         body = contact['bodies'][i]
                         body_str = safe_str(body) if body else ""
                         if body_str:
-                            custom_variables[f'body_{i}'] = body_str
-                
-                # Smartlead API doesn't allow "company" or "title" fields - remove them
-                # Company and title info can be included in custom_variables if needed
-                lead = {
-                    "email": email,
-                    "first_name": first_name,
-                    "last_name": last_name,
-                    "custom_variables": custom_variables
-                }
+                            lead[f'body_{i}'] = body_str
                 leads.append(lead)
                 
             except Exception as e: