Xitroo™ is not an anonymous service! There is no data privacy for the content of the emails! All incoming emails could be read by anyone! Access log data of our servers is only stored for system maintenance reasons. We have no knowledge who is behind this request. Requests from authorities are handled as they are defined in the german laws. IP addresses could be passed depending on the german laws. To speed up download of static files, we are using the CDN service CloudFlare https://www.cloudflare.com and JSDelivr https://cdn.jsdelivr.net. We use technical cookies on our website. We use "__cfduid" of CloudFlare, its helps to identify that the visitor is using a known device, even if the website is called by an insecure network (for example a coffee shop). With CloudFlare our website will become faster and more secure. Paid API subscriptions are processed by Stripe Payments Europe, Limited, 1 Grand Canal Street Lower, Grand Canal Dock, Dublin, D02 H210, Ireland. Stripe receives the data required for payment and invoicing (name, e-mail address, billing address, VAT ID if provided, payment details); we never receive your full card details. Legal basis is the performance of the contract (Art. 6(1)(b) GDPR) and our statutory retention obligations (Art. 6(1)(c) GDPR). Stripe privacy policy at https://stripe.com/privacy. For a subscription we store your e-mail address and Stripe customer ID in order to send you your API key and manage the subscription; the API key itself is stored only as a hash.