Once you've made a booking, you can visit eurotunnel.com/apis and log in using the booking reference and password detailed in your booking confirmation email.
Frequent Traveller Account Holders: For bookings made on your Frequent Traveller account (accounts opened before 3rd June 2019), you should access the booking information via your Frequent Traveller account page, and follow the links from the booking details page.
Please note we only require your API information for the Folkestone to Calais part of your journey. We do not require API information for the Calais to Folkestone part of a return trip, or trips that are Calais to Folkestone only.