Configuring Django REST Framework

pip install djangorestframework

INSTALLED_APPS = [
    ...,
    'rest_framework',
    'rest_framework.authtoken',  # for Token Auth
]

REST_FRAMEWORK = {
    # Authentication
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authentication.TokenAuthentication',
    ],

    # Permissions
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],

    # Pagination
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 20,

    # Rendering
    'DEFAULT_RENDERER_CLASSES': [
        'rest_framework.renderers.JSONRenderer',
        'rest_framework.renderers.BrowsableAPIRenderer',  # remove in production
    ],

    # Parsers
    'DEFAULT_PARSER_CLASSES': [
        'rest_framework.parsers.JSONParser',
        'rest_framework.parsers.MultiPartParser',
        'rest_framework.parsers.FormParser',
    ],

    # Throttling (rate limiting)
    'DEFAULT_THROTTLE_CLASSES': [
        'rest_framework.throttling.AnonRateThrottle',
        'rest_framework.throttling.UserRateThrottle',
    ],
    'DEFAULT_THROTTLE_RATES': {
        'anon': '100/day',
        'user': '1000/day',
    },
}

class StandardPagination(PageNumberPagination):
    page_size = 20
    page_size_query_param = 'page_size'
    max_page_size = 100

REST_FRAMEWORK = {
    'DEFAULT_PAGINATION_CLASS': 'myapp.pagination.StandardPagination',
}

REST_FRAMEWORK = {
    'EXCEPTION_HANDLER': 'myapp.utils.custom_exception_handler',
    'NON_FIELD_ERRORS_KEY': 'errors',
}

REST_FRAMEWORK = {
    'DEFAULT_RENDERER_CLASSES': ['rest_framework.renderers.JSONRenderer'],
}