> For the complete documentation index, see [llms.txt](https://docs.mercuri.cx/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mercuri.cx/features/sms-opt-in-form/how-to-add-an-sms-opt-in-form-to-your-wix-business-website.md).

# How to Add an SMS Opt-In Form to Your Wix Business Website

{% embed url="<https://youtu.be/8ISHZRFOPB0?si=mbldmRUr_QIggh7x>" %}

**For Wix Website:**

1. Go to your **Wix Admin Dashboard**.
2. Navigate to **Apps > Manage Apps**.
3. Under **Installed Apps**, locate **Mercuri: SMS, WhatsApp & AI**.
4. Click on the **“Complete Set-Up”** button next to it.
5. You’ll be redirected to the **Wix Site Editor**.

<figure><img src="/files/JC2tcjMhnp0b85wexp6V" alt="" width="563"><figcaption><p>Opt-in form in wix site editor window</p></figcaption></figure>

6. Go to the **Wix App Market** and then select **App Market.** Click on **Add to Site** to finish the setup of **Mercuri: SMS, WhatsApp & AI.**
7. Click the **“Publish”** button in the top-right corner of the editor to publish the update.

{% hint style="info" %}

#### Adding SMS Opt-In Form on Custom Websites

If you're using a **custom-built website** (not platforms like Wix or Shopify), integrating an **SMS opt-in form** requires manual setup by your development team.
{% endhint %}