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

# Introduction

> Welcome to Vistaly's API Documentation

<Note>
  Vistaly's API is available to Business and Enterprise-team plans
</Note>

## Welcome

To get started, you'll need to create your Vistaly [API Key](/documentation/integrations/vistaly-api) for authentication.

## APIs

<CardGroup cols={2}>
  <Card title="Update Metric Cards" icon="cards-blank" href="/api-reference/cards">
    Sync the value of [KPI](/documentation/core-concepts/card-types/kpi) and [Outcome](/documentation/core-concepts/card-types/outcome) with your product analytics and BI tools.
  </Card>

  <Card title="Interviews" icon="lightbulb-on" href="/api-reference/interviews">
    Working with customer interviews.
  </Card>

  <Card title="Feedback" icon="comment" href="/api-reference/feedback">
    Working with customer feedback.
  </Card>

  <Card title="System" icon="wave-pulse" href="/api-reference/system">
    API Health Checks
  </Card>
</CardGroup>