Basic authentication (Lazy mode : on)

gistfile1.yml

security:
    providers:
        api_provider:
            memory:
                users:
                    user: { password: password, roles: 'ROLE_API' }
    encoders:
        Symfony\Component\Security\Core\User\User: plaintext
    firewalls:
        api:
            pattern:    ^/api
            http_basic: ~
            provider: api_provider