django-rest-framework/docs/api-guide/settings.md

Settings

Settings for REST framework are all namespaced in the API_SETTINGS setting. For example your project's settings.py file might look like this:

API_SETTINGS = {
    'DEFAULT_RENDERERS': (
        'djangorestframework.renderers.JSONRenderer',
        'djangorestframework.renderers.YAMLRenderer',
    )
    'DEFAULT_PARSERS': (
        'djangorestframework.parsers.JSONParser',
        'djangorestframework.parsers.YAMLParser',
    )
}

DEFAULT_RENDERERS

A list or tuple of renderer classes.

Default:

(
'djangorestframework.renderers.JSONRenderer',
'djangorestframework.renderers.DocumentingHTMLRenderer')`

DEFAULT_PARSERS

A list or tuple of parser classes.

Default: ()