I have a question about Flex. How can I contact you? 25 July 2024 12:54 Updated For the Netherlands You can contact us by email by sending your question to: customercare@riverty.nl. Related articles Question about parking transaction in the App - EasyPark How do I change my IBAN? - Flex I received a package but didn't order anything. Webshop did not receive return - return receipt request How can I pay my order?