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

# API Reference

> Interactive OpenAPI reference for OmniCommerce public and authenticated developer APIs.

Use the playground on each endpoint page to send real requests. Authenticate with:

```http theme={null}
Authorization: Bearer $OMNI_API_KEY
```

## Spec

* Download: [openapi.json](/openapi.json)
* Live app host: `https://omnicommerce.sg`
* Local: `http://localhost:3000`

## Groups

Endpoints are grouped by OpenAPI tag in the sidebar (Products, Orders, Promotions, Public Agent, UCP, and more).

## Guides

For narrative docs beyond the generated reference:

* [Orders](/guides/orders)
* [Settlements](/guides/settlements)
* [Promotions](/guides/promotions)
* [Price books](/guides/price-books)
* [Bulk product import](/guides/bulk-product-import)
* [Ghost mannequin](/guides/ghost-mannequin)
* [Authentication](/authentication)
* [MCP](/guides/mcp)