There is a devise configuration called :token_authenticatable. So if you add that to the devise method in your “user”, then you can authenticate in your API just by calling
"/api/v1/recipes?qs=sweet&auth_token=[@user.auth_token]"
You’ll probably want this in your user as well:
before_save :ensure_authentication_token
UPDATE (with API authorization code)
The method you’re looking for are:
resource = User.find_for_database_authentication(:login=>params[:user_login][:login])
resource.valid_password?(params[:user_login][:password])
here’s my gist with a full scale JSON/API login with devise