> ## Documentation Index
> Fetch the complete documentation index at: https://veriqa.app/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Step-up on a TV

> Nova Stream on a real TV: buying a title is confirmed in the messenger by the signed-in viewer.

The same Nova Stream sample, a signed-in viewer buys a title. The purchase is not applied until the viewer confirms it in the messenger.

<video controls playsInline preload="metadata" className="w-full aspect-video rounded-xl" src="https://mintcdn.com/veriqa/BhSF4JaWSb9iq-MI/videos/tv-step-up.mp4?fit=max&auto=format&n=BhSF4JaWSb9iq-MI&q=85&s=65c1acde7bfc1edfdfdea597351703aa" data-path="videos/tv-step-up.mp4">
  Your browser cannot play this video.
</video>

## What the video shows

1. The viewer picks **Buy "Deep Field" — 4.99 EUR**; the TV shows a QR code.
2. They scan it with the phone and open Telegram.
3. The bot asks **Buy "Deep Field" for 4.99 EUR?** — the viewer taps **Confirm**.
4. The title is marked **In your library**.

## See also

* [Server-to-server transaction](/docs/basic-scenarios#server-to-server-transaction)
* [Second factor, step-up and action approvals](/docs/scenarios/step-up)
* [Server-to-server confirmation API](/docs/reference/confirmation-api)


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