For merchants (shops): You can create a token for the productive environment yourself in idealo Business under 'My idealo / Settings / API Clients' (https://business.idealo.com/en/direct/mi/settings/api-client).
To obtain a sandbox token, please contact our technical account management via the contact form in your idealo Business account.
For partners (service providers): Please contact your personal idealo Partner Manager or send an email to business@idealo.com.