> For the complete documentation index, see [llms.txt](https://docs.codemash.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.codemash.io/api-reference/code.md).

# Code

The Code module runs custom backend logic as serverless functions — validation, integrations, data transforms, business rules — invoked from HTTP calls, module events, or schedules. It is the extensibility point of Norbix.

{% content-ref url="/pages/NhdFdBa1cVvg6UmYxQFD" %}
[Integrations](/api-reference/code/integrations.md)
{% endcontent-ref %}

{% content-ref url="/pages/PZxIbQN7XqJbmurZqTG1" %}
[Marketplace](/api-reference/code/marketplace.md)
{% endcontent-ref %}

{% content-ref url="/pages/37mthxQlc9IruqVfH7kr" %}
[Module](/api-reference/code/module.md)
{% endcontent-ref %}