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

# Welcome to Sixtyfour

> Intelligence infrastructure for people and entities. Deep research on any person or company at scale.

<div className="rounded-xl border border-blue-200 bg-blue-50 px-5 py-4 text-blue-900 dark:border-blue-800 dark:bg-blue-950 dark:text-blue-100 mb-6">
  Deploy AI agents that investigate people and companies, resolve identities, map relationships, and surface risk signals — all through a single API.
</div>

## Developer Tools

<CardGroup cols={2}>
  <Card title="MCP Server" icon="plug" href="/developer-tools/mcp-setup">
    Give your AI coding tools built-in Sixtyfour knowledge
  </Card>

  <Card title="Agent Skills" icon="brain" href="/developer-tools/skills">
    Structured APIs and Docs references for your AI tools
  </Card>
</CardGroup>

## APIs

<CardGroup cols={3}>
  <Card title="Intelligence API" icon="magnifying-glass">
    Deploy AI research agents for people and companies.

    * [People Intelligence](/api-reference/endpoint/people-intelligence)
    * [Company Intelligence](/api-reference/endpoint/company-intelligence)
    * [Find Email](/api-reference/endpoint/find-email)
    * [Find Phone](/api-reference/endpoint/find-phone)
  </Card>

  <Card title="Search API" icon="filter">
    Query millions of people and company records with natural language.

    * [Deep Search Overview](/api-reference/search/search-overview)
    * [Deep Search](/api-reference/search/search-endpoints)
    * [Filter Search](/api-reference/search/filter-search)
  </Card>

  <Card title="Workflows API" icon="sitemap">
    Build, run, and automate multi-step intelligence pipelines.

    * [Workflow Overview](/api-reference/workflows/workflows-overview)
    * [Workflow Blocks](/api-reference/workflows/workflow-blocks)
    * [Programmatic Workflows](/guides/programmatic-workflows)
  </Card>
</CardGroup>

## Developer Resources

<CardGroup cols={3}>
  <Card title="Quick Start" icon="rocket">
    Make your first API call in minutes.

    * [Get your API key](/get-api-key)
    * [First API call](/api-quick-start)
  </Card>

  <Card title="Guides" icon="book-open">
    Go deeper with our technical guides.

    * [Using OAuth Clients](/guides/oauth-clients)
    * [Batch Processing](/guides/batch-processing)
    * [Struct & Type Casting](/guides/struct-and-type-casting)
    * [Using Webhooks](/guides/using-webhooks)
  </Card>

  <Card title="Credits & Pricing" icon="credit-card">
    Understand how credits work and plan your API usage.

    * [Credit costs by endpoint](/guides/credits-and-pricing)
    * [Usage & API Logs](/guides/usage-logs)
  </Card>
</CardGroup>