# Let your AI agent reply with a voice message

> On WhatsApp, your AI agent can reply with a voice note read by a synthetic voice. The setting starts on **Never**: nothing changes until you turn it on.

## Steps

1. Open **Automation › AI agents**, **How it replies** tab, and scroll down to **Voice replies**.
2. In **Reply by voice**, choose **Never** (everything as text), **Mirror** (by voice when the customer has just sent a voice message) or **Always** (by voice whenever the reply allows it).
3. In **Voice by customer language**, choose a voice for French, Spanish and English. **Listen** plays a sample.
4. Click **Save**, in the bar at the bottom of the page.

## What stays as text

Your AI agent writes instead of speaking when its reply contains a link, a button, a list, a price, an address, an email, a figure (time, date, quantity, number), or more than 600 characters. The customer keeps in writing everything they need to click or note down. Handovers to the team also stay as text.

## What the customer and the team see

- Before the first voice message of the conversation, the customer reads a sentence telling them that voice messages are read by a synthetic voice.
- If the voice fails or WhatsApp refuses the voice message, the reply goes out as text, only once.
- In WYP.chat, the voice message sent keeps its text, like a transcript: the team can read it and find it with search.

**Good to know** Voice replies work on WhatsApp only, when the channel is on **It replies on its own** (**Where it replies** tab). Messenger, Instagram, website chat and suggestions to approve stay as text. A voice reply costs 3 credits when credits apply, on top of the agent’s reply; if WhatsApp refuses the voice message, those 3 credits are refunded. If you have several sites or brands, each base can have its own setting (**Same as the workspace** by default), in **Advanced settings**. If the screen says voice replies are not available yet, they are not yet open on the platform.

## Related articles

- [Your AI agent on WhatsApp, Messenger, Instagram, Telegram](https://wyp.chat/en/help/agent-ia-messageries) Your AI agent answers your customers on WhatsApp, Messenger, Instagram and Telegram once the owner has turned it on and you have chosen, channel by…
- [Buy and use credits](https://wyp.chat/en/help/credits) Credits pay for what goes beyond your monthly plan: conversations, campaign recipients, replies from your AI agent and, without a subscription, automatic…
- [Listen to and find voice messages](https://wyp.chat/en/help/vocaux) You can listen to your customers’ voice messages in the thread, at the speed you choose, and have them transcribed.

**Learn more**

- [Industry AI agents, built for WhatsApp](https://wyp.chat/en/ai-agents)
- [Website chat, in the same inbox as WhatsApp](https://wyp.chat/en/channels/website-chat)

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Source: https://wyp.chat/en/help/reponses-vocales · Updated on 11 October 2026