RewriteEngine On

#RewriteBase /mse_api/public

# 1. Prevent directory browsing
Options -Indexes

# 2. If the request is NOT a real directory...
RewriteCond %{REQUEST_FILENAME} !-d
# 3. ...and is NOT a real file...
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
# 4. ...send the request to index.php
RewriteRule ^ index.php [L]