Rail ticket retailing API

Our RSP-accredited webTIS has been under constant evolution since 2008, and has sold millions of tickets


To sell train tickets in Great Britain, systems must be accredited by Rail Settlement Plan (RSP). We've been accredited since 2008.

Every ticket type

Our webTIS supports all ticket types, including season tickets, rovers and rangers, PlusBus, ITX and all discounts types and cards.

All fulfilment methods

Barcode ticketing, smartcards, ticket on departure and (of course) posted tickets are all supported.

Payment options

Our webTIS supports card, voucher, PayPal, ApplePay and Alipay payments. Or we can hand off for you to complete payment.

Intuitive seat selector

Airline-style seat selector for every long distance train, with tips from our team on choosing the best seats!

Get in touch


Say hello

If you'd like to chat with us about what we do or how we can help you, just email us at hello@assertis.co.uk. We'll get straight back to you.


Technical help

If you have a technical question or would like to speak with one of our technical team, then just email technical@assertis.co.uk or visit our contact page