Payments in this preview use Stripe’s test environment.

Add data to your eSIM

Already travelling with an ATravelSIM eSIM? Find your order, pick extra data, and pay securely — the data is added to the same eSIM, with no new QR code to install.

How a top-up works

  1. 1Find your eSIMEnter your email plus either your order number (ATS-…) or the eSIM's ICCID number.
  2. 2Pick extra dataWe show only the bundles that work with the eSIM you already have, at today's price in your currency.
  3. 3Pay securelyPay by card on the secure form. Your card details never touch ATravelSIM.
  4. 4Data is added automaticallyThe extra data and validity are added to the same eSIM within minutes — no new QR code, no reinstall.

Your ICCID is the long number shown on the My eSIMs page, in your delivery email, and in your phone under Settings → Mobile data → your travel eSIM. Nothing changes on your phone — keep using the same eSIM.

1 · Find your eSIM

Back to my eSIMs