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

# Tutorials overview

> Build a working GBG Go integration by following an end-to-end tutorial for your industry.

These tutorials show you how to integrate with the GBG Go APIs. Each one covers a single task.

To run a complete, working application for your industry instead, see the [API sample applications](/docs/go-v2/tutorials/sample-apps-overview).

## Tutorials

<CardGroup cols={2}>
  <Card title="Document upload and verification" icon="file-arrow-up" href="/docs/go-v2/tutorials/document-upload-verification">
    Build a verification app that renders form fields dynamically from your journey configuration.
  </Card>

  <Card title="Use a customer reference" icon="tag" href="/docs/go-v2/guides/product-guides/customer-reference">
    Attach your own identifier to a journey so you can reconcile results with your records.
  </Card>
</CardGroup>