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

# Welcome to Prelude

> Explore the documentation of our product offerings and implement our powerful and easy-to-use APIs.

<Info>To create a new account or login to your existing one, visit your [dashboard](https://app.prelude.so).</Info>

To learn more about Prelude, our offerings and pricing, visit our website at [prelude.so](https://prelude.so).

## Documentation

Prelude offers a suite of powerful and easy-to-use APIs to help you build your onboarding and trust processes. You can find the documentation for each different product in the following sections.

<CardGroup>
  <Card title="Verify" href="/verify/v2/documentation/introduction" icon="fingerprint" horizontal>
    Verify phone numbers and emails worldwide using the most appropriate channel depending on your user's context.
  </Card>

  <Card title="Notify" href="/notify/v2/documentation/introduction" icon="comment-dots" horizontal>
    Effortlessly create, customize, and send global transactional and marketing messages.
  </Card>

  <Card title="Lookup" href="/lookup/v2/documentation/introduction" icon="telescope" horizontal>
    Retrieve detailed information about phone numbers including carrier data, line type, and portability status.
  </Card>

  <Card title="Session" href="/session/documentation/introduction" icon="tickets" horizontal>
    Manage the full lifecycle of your users' sessions with Prelude's secure and scalable authentication system.
  </Card>

  <Card title="Watch" href="/watch/v2/documentation/introduction" icon="radar" horizontal>
    Protect your business and users from fraud by analyzing in real-time dozens of digital signals to block suspicious users.
  </Card>
</CardGroup>

## Core concepts

Understand what makes Prelude unique.

<CardGroup>
  <Card title="Multi-routing and multi-channel delivery" href="/introduction/concepts/multi-routing" icon="circle-1">
    Compare all available routes in realtime to find the best one for each
    individual user.
  </Card>

  <Card title="Anti-fraud" href="/introduction/concepts/anti-fraud" icon="circle-2">
    Only let *real* users through thanks to a state-of-the-art fraud prevention
    system.
  </Card>
</CardGroup>

<Info>
  Can't find what you're looking for? [Tell us](mailto:support@prelude.so)
</Info>