# Cube | |
>[Cube](https://cube.dev/) is the Semantic Layer for building data apps. It helps | |
> data engineers and application developers access data from modern data stores, | |
> organize it into consistent definitions, and deliver it to every application. | |
## Installation and Setup | |
We have to get the API key and the URL of the Cube instance. See | |
[these instructions](https://cube.dev/docs/product/apis-integrations/rest-api#configuration-base-path). | |
## Document loader | |
### Cube Semantic Layer | |
See a [usage example](/docs/integrations/document_loaders/cube_semantic). | |
```python | |
from langchain_community.document_loaders import CubeSemanticLoader | |
``` | |