> For the complete documentation index, see [llms.txt](https://dev.ucommerce.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.ucommerce.net/readme/headless.md).

# Headless

The Headless API is recommended to build quality projects with a long lifetime. It is designed to complete a transaction, from creating a Cart all the way to placing the order.

## Postman collection

The Postman collection is the perfect starting point. It contains a list of all available endpoints and can generate code examples for different languages/frameworks. It's our strong recommendation to supplement our documentation with the collection below.

[![Run In Postman](https://run.pstmn.io/button.svg)](https://god.gw.postman.com/run-collection/32680912-d0572388-718a-4f1d-9439-753ab6454189?action=collection%2Ffork\&source=rip_markdown\&collection-url=entityId%3D32680912-d0572388-718a-4f1d-9439-753ab6454189%26entityType%3Dcollection%26workspaceId%3Da5c90330-7879-45fc-b3c9-2dded67b746a)

## Sections

* Authentication

{% content-ref url="/pages/eVwdA0iu4XBfKo8ZncVO" %}
[Headless API Authentication](/readme/headless/headless-api-authentication.md)
{% endcontent-ref %}

* API reference and examples:

{% content-ref url="/pages/9qPvxuVB9ztoDyoHTt8A" %}
[Reference](/readme/headless/reference.md)
{% endcontent-ref %}

* Instructions on extending the Headless API:

{% content-ref url="/pages/Z2wj7Oo0F359u1n1qu8k" %}
[Custom Headless APIs](/readme/headless/custom-headless-apis.md)
{% endcontent-ref %}