Advance Passenger Information UK and ETA

Are you travelling to the United Kingdom? Don’t forget to arrange your API and ETA

If you are travelling to the UK, you are required to provide Advance Passenger Information (API) and apply for an Electronic Travel Authorisation (ETA). On this page, you will find all the information you need and how to complete these steps easily.

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European Travel Authorization (ETA)

An European Travel Authorization (ETA) is required for your trip to the UK. Apply for this on time. The easiest way to do this is via the ETA app.

Apply for your ETA via the ETA app
Apply for your ETA via a PC

Advance Passenger Information

You booked before June 5 2025:

  • You can book your trip to or from London as usual. Once you have made the booking, you will see the text: 'Complete your passenger details'. There is a link to Eurostar's site where you can fill in the additional passenger details.
  • Once you have entered your details on Eurostar.com, you can download your ticket immediately. You must do this before checking in at the station.
  • After you have booked a ticket from or to London, you will receive an email from us confirming your booking. The email will contain a link that will allow you to download tickets. These are then tickets from your journey to the boarding station of your international train. For example, if you have booked a ticket Alkmaar to London.
  • If you have not filled in your details completely, you will not be able to check in!
  • You have to enter your PNR on the Eurostar site. The PNR is the booking code of your ticket to or from London. You will find the code in the email you received. The code can also be found in MyNSI. To log on to the Eurostar site, you need to enter the PNR plus the surname of one of the passengers.

You booked on/from June 5 2025:

  • You can book your trip to or from London as usual. Once you have made the booking, you will see on the confirmation page, in the confirmation email and in the app accompanying your booking the text: 'Complete your passenger details'.
  • There is a link to a form where you can fill in the additional passenger details.
  • Once you have entered the details of all travellers, you can download your ticket.
  • You must have completed the details before checking in at the station.
  • If you have not filled in your details completely, you will not be able to check in and travel!

    Frequently asked questions

    How do I enter the station?
    You can use the barcode on your ticket to open the gates at the station. You will receive your ticket once you have completed the additional details.
    Until when can I enter these details?
    You must have entered the details before checking in at the station. The check-in time varies by fare and is shown on your ticket.
    Should I fill this in twice, for the outward and return journey?
    No, you complete this once.
    How can I download my tickets at a later stage?
    If you wish to download your tickets at a later time, you can do so using the link in the confirmation email. Click on the 'Print tickets' button; on one of the following screens, you will be able to download your tickets.
    What if something changes about my data?
    For example, if your passport number changes, you will fill everything in again. Your details will not be kept for privacy reasons.
    If I change my ticket, do I also have to change these details?
    No, you will not have to fill in the additional personal data again.
    Should I fill this out for children too?
    Yes, you must fill in these particulars for children with their own seat, own ticket.