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

# Tutorials

> Step-by-step guides for building real applications on the Telnyx Edge platform.

Learn by building real applications on Telnyx Edge. Each tutorial walks you through a complete project from start to deployment.

## Getting Started

<CardGroup cols={2}>
  <Card title="Build a REST API" icon="code" href="/docs/edge-compute/demos/build-a-rest-api">
    Create a JSON API with routing, validation, and error handling.
    <br />**Time:** 15 min · **Level:** Beginner
  </Card>

  <Card title="SMS Webhook Handler" icon="message" href="/docs/edge-compute/demos/sms-webhook-handler">
    Process incoming SMS messages and send automated replies.
    <br />**Time:** 20 min · **Level:** Beginner
  </Card>

  <Card title="Voice Call Router" icon="phone" href="/docs/edge-compute/demos/voice-call-router">
    Route calls based on time of day and caller location.
    <br />**Time:** 25 min · **Level:** Intermediate
  </Card>

  <Card title="Image Resizer" icon="image" href="/docs/edge-compute/demos/image-resizer">
    Resize and optimize images on-the-fly at the edge.
    <br />**Time:** 20 min · **Level:** Intermediate
  </Card>
</CardGroup>

***

## More Tutorials

<CardGroup cols={2}>
  <Card title="Authentication Middleware" icon="lock">
    Add JWT validation to protect your APIs.
    <br />*Coming soon*
  </Card>

  <Card title="Rate Limiter" icon="gauge">
    Implement rate limiting with sliding windows.
    <br />*Coming soon*
  </Card>

  <Card title="A/B Testing" icon="flask">
    Route traffic between variants for experiments.
    <br />*Coming soon*
  </Card>

  <Card title="Webhook Validator" icon="shield">
    Verify signatures from third-party services.
    <br />*Coming soon*
  </Card>
</CardGroup>

## Related Resources

* [Quickstart](/docs/edge-compute/quickstart) — Deploy your first function
* [Examples](/docs/edge-compute/examples) — Code snippets and patterns
* [CLI Reference](/docs/edge-compute/reference/cli) — Full command documentation