We will never sell, rent, or share any of your personal data with anyone.
The Dark Sky API does not collect or store any personally-identifiable information.
If you sign up for a Dark Sky API account, the Dark Sky API Developer Site collects and stores your identifying information for communication and billing purposes. Contact information is stored securely upon our own servers. Billing information is sent directly from your web browser to our payment processor (Stripe) and is never seen by our servers. The Dark Sky API Developer Site also uses Google Analytics (http://www.google.com/analytics) to collect usage statistics. This data is anonymous, and does not transmit any personally identifying information to either Google or ourselves.
If you have any questions, please don't hesitate to email us at firstname.lastname@example.org.