---
title: "What is Liveness check? Definition"
description: "A liveness check confirms that a real, physically present person is in front of the camera - not a photo, recording, mask or deepfake - usually during..."
url: https://realpayee.com/glossary/liveness-check
canonical: https://realpayee.com/glossary/liveness-check
date_published: 2026-10-05
date_modified: 2026-10-05
author: RealPayee
---

# Liveness check

> A liveness check confirms that a real, physically present person is in front of the camera - not a photo, recording, mask or deepfake - usually during a live selfie. Combined with an ID document match, it verifies that the right human approved a sensitive action.

_Published 2026-10-05 · Updated 2026-10-05 · By RealPayee_

## Related terms

- [Deepfake](https://realpayee.com/glossary/deepfake): A deepfake is AI-generated or AI-altered audio, video or imagery that convincingly imitates a real person.
- [Out-of-band verification](https://realpayee.com/glossary/out-of-band-verification): Out-of-band verification is confirming a request through a separate channel and contact details the requester did not provide - for example, calling a vendor's known number after an email request.
- [Voice cloning](https://realpayee.com/glossary/voice-cloning): Voice cloning uses AI to synthesize speech in a specific person's voice from samples of their recordings.

## Why it matters for finance teams

Most payment fraud reaches AP as a request that looks legitimate. Understanding liveness check helps your team spot it and apply the right control: verify bank-detail changes and large payment requests with the real person, out-of-band, before money moves. Our free [bank-change policy template](https://realpayee.com/templates/vendor-bank-change-policy) puts that into a written rule.

Full glossary: https://realpayee.com/glossary · All terms as JSON Lines: https://realpayee.com/feeds/glossary.jsonl

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