What is Django REST Framework and its key components?

DRF is a toolkit for building Web APIs in Django. Key components: • Serializers - convert model instances to JSON • ViewSets - handle API logic • Routers - URL routing • Authentication - token, session, JWT • Permissions - access control • Throttling - rate limiting • Pagination • Filtering • Versioning Benefits: • Browsable API • Flexible serialization • Comprehensive authentication