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

# Authentication

> Extract structured data from any unstructured file.

## API key

[Sign up](https://app.tile.run/auth/signup) for a free account and get an API key.

## Authentication

All API endpoints are authenticated by providing a Bearer token in the header.

```json theme={null}
{
  "Authorization": "Bearer [Your API token]"
}
```