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

# Backend Subgraph Reference

> Technical reference for the su-backend subgraph providing core platform services.

# Backend Subgraph Reference

The `su-backend` subgraph provides core backend platform services.

## Subgraph Information

* **Name**: `su-backend`
* **Routing URL**: `https://y5mg53yiuk.execute-api.us-west-2.amazonaws.com/poc/graphql`
* **Last Updated**: 2023-10-13
* **SDL**: [View Schema](../schemas/sdl/su-backend.graphql)

## Overview

Core platform functionality and base services.

## Root Query Fields

```graphql theme={null}
extend type Query {
  platform: Platform!
}
```

### Platform Query

The `platform` query provides access to platform version information and client configuration.

## Related Resources

* **[Overview](../overview)** - GraphQL API introduction
* **[Full SDL Schema](../schemas/sdl/su-backend.graphql)** - Complete type definitions