# Catalog messages | Developer Documentation

<div id="bkmrk-catalog-messagesupda">## Catalog messages

<div><span>Updated: Mar 3, 2026</span></div><div>Catalog messages let you showcase your product catalog entirely within WhatsApp.</div><div>Catalog messages display a product thumbnail header image of your choice, custom body text, a fixed text header, a fixed text sub-header, and a **View catalog** button.</div><div><div>![Catalog message example showing View catalog button](https://support2.chatarchitect.com/uploads/images/gallery/2026-04/embedded-image-o4fikgti.png)</div></div><div>When a customer taps the **View catalog** button, your product catalog appears within WhatsApp.</div><div><div>![Product catalog displayed within WhatsApp](https://support2.chatarchitect.com/uploads/images/gallery/2026-04/embedded-image-b5vou6o9.png)</div></div><div id="bkmrk-requirements"><div id="bkmrk-requirements-1"><div>### Requirements

</div></div></div><div>You must have [inventory uploaded to Meta](/books/meta-whatsapp/page/upload-inventory-to-meta-developer-documentation) in an ecommerce catalog [connected to your WhatsApp Business Account<span>?</span>](https://www.facebook.com/business/help/158662536425974).</div><div id="bkmrk-post-body"><div id="bkmrk-post-body-1"><div>### Post body

</div></div></div><div id="bkmrk-properties"><div id="bkmrk-properties-1"><div>### Properties

</div></div></div><div><table><thead><tr><th><span>Placeholder </span></th><th><span>Description </span></th><th><span>Sample Value </span></th></tr></thead><tbody><tr><td><div><div>`<BODY_TEXT>`</div><div>*String*</div></div></td><td><div><div>**Required.**</div><div>  
Text to appear in the message body.</div><div>  
Maximum 1024 characters.</div></div></td><td><div><div>`Hello! Thanks for your interest. Ordering is easy. Just visit our catalog and add items to purchase.`</div></div></td></tr><tr><td><div><div>`<FOOTER_TEXT>`</div><div>*String*</div></div></td><td><div><div>**Optional.**</div><div>  
Text to appear in the message footer.</div><div>  
Maximum 60 characters.</div></div></td><td><div><div>`Best grocery deals on WhatsApp!`</div></div></td></tr><tr><td><div><div>`<THUMBNAIL_PRODUCT_RETAILER_ID>`</div><div>*String*</div></div></td><td><div><div>**Optional.**</div><div>  
Item SKU number. Labeled as **Content ID** in the Commerce Manager.</div><div>  
The thumbnail of this item will be used as the message's header image.</div><div>  
If the `parameters` object is omitted, the product image of the first item in your catalog will be used.</div></div></td><td><div><div>`2lc20305pt`</div></div></td></tr><tr><td><div><div>`<TO>`</div><div>*String*</div></div></td><td><div><div>Customer phone number.</div></div></td><td><div><div>`+16505551234`</div></div></td></tr></tbody></table>

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