{"message": "Welcome to GDSO Dataset Access API", "authentication": "Token-based authentication required", "available_endpoints": {"login": "/api/login/ (POST: {\"username\": \"user\", \"password\": \"pass\"})", "logout": "/api/logout/ (POST with Authorization header)", "tableau_access": "/api/tableau-access/?email_id=<email> (GET with Authorization header)", "admin": "/admin/"}, "usage": "First login to get a token, then use it in Authorization header: \"Token <your_token>\""}