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

# Introduction

> How to authenticate, handle errors, and integrate with Waysdrop

## Get started

<Columns cols={2}>
  <Card title="API keys" icon="key" href="/get-started/api-keys">
    Authenticate requests using the api-key header.
  </Card>

  <Card title="OAuth" icon="shield-check" href="/get-started/oauth">
    Let users sign in with Waysdrop and access scoped profile data.
  </Card>

  <Card title="Errors" icon="triangle-exclamation" href="/get-started/errors">
    Understand the standard error envelope and status codes.
  </Card>

  <Card title="Webhooks" icon="bell" href="/get-started/webhooks">
    Receive delivery events reliably with retries and signatures.
  </Card>

  <Card title="API reference" icon="terminal" href="/api-reference/api">
    Browse endpoints, request/response shapes, and examples.
  </Card>
</Columns>