Standard bookings We have prepared a series of detailed how to guides to explain how to supply and amend API. How do I add my API to my booking? How do I amend my API on my booking? Related articles I've lost my password Do I need to supply passenger details for every booking I make? What is Advance Passenger Information (API)? How you can prepare for the Exit Checks at our Folkestone terminal? Am I able to purchase a ticket when I arrive?