Update face

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Bearer token authentication using your API key. Format: 'Bearer your_api_key'. To get an API key, create an account at mixpeek.com/start and generate a key in your account settings. Example: 'Bearer sk_1234567890abcdef'

Optional namespace for data isolation. Example: 'netflix_prod' or 'spotify_recs_dev'. To create a namespace, use the /namespaces endpoint.