You may pay directly and without registration by credit card.
You, too, may also pay easily, quickly and securely via our payment partner PayPal.
PayPal is the world's largest payment provider and has become common in almost all online shops. PayPal offers you a secure and simple payment method via direct debit, credit card or your PayPal balance.
With PayPal, you can pay simply by entering your email address and password.
Your PayPal account will be debited directly with the corresponding amount and you will receive a payment confirmation by e-mail.
Please, see www.paypal.com for more information.
When visiting GRIN via Safari on an Apple device, you will also see the payment option: ApplePay.
In the event that you need to learn more about Apple Pay, please check Apple's website for more information, e.g.: https://support.apple.com/en-us/HT204506 and https://support.apple.com/en-us/HT201239