Contact Us

Need help with your DART & LINE order?

Our customer support team is here to help with order questions, delivery updates, returns, setup, calibration and general product support.

You can contact us at:

Email: thedartline@use.startmail.com

If your message relates to an existing order, please include your order number and the email address used when placing the order so we can assist you as quickly as possible.

For technical or product-related questions, please include a brief description of the issue. Photos or videos may help us understand the problem more quickly.

For return or refund requests, please include your order number, the reason for your request and, where relevant, clear photos or videos showing any issue with the product.

We aim to respond as soon as possible during business days.

Please do not send any product back before contacting us.

If your return is approved, our customer support team will provide the appropriate return instructions and return address.