If you signed up before 15.03.2017:
Please send us a message using the email address you used to sign-up into our website and we will assign you your personal login credentials. This will allow keeping your current API keys.
For new users (sign-up after 15.03.2017):
You will get your identifiers together with your API keys after your email confirmation. If you are having any trouble to get your login, please contact us. We will send you your access credentials in no time.