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

# Finance.dev

> Build trading applications with real-time market data, order execution, and portfolio analytics. Quick start, OAuth2 authentication, and full API reference.

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<div
  className="welcome-hero"
  style={{
position: 'relative',
textAlign: 'center',
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      Welcome to Finance.dev
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  marginBottom: '2.5rem',
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    >
      Real-time market data. Instant order execution. Portfolio analytics. Everything you need to build professional trading applications on Aries.
    </p>

    <p
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    >
      By continuing to use or access Aries API, you are agreeing to be bound to our{' '}

      <a href="/legal/developer-agreement" className="hero-link" style={{ textDecoration: 'underline' }}>
        Developer Agreement
      </a>
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<div className="welcome-cards" style={{ maxWidth: '1200px', margin: '0 auto 60px', padding: '0 40px' }}>
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  borderRadius: '20px',
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    >
      <div style={{ fontWeight: '600', marginBottom: '12px', fontSize: '1.1rem' }}>Add Skill to your AI agents</div>

      <p style={{ marginBottom: '12px', fontSize: '0.95rem', lineHeight: 1.5 }}>
        Give Cursor, OpenClaw, Claude Code, Windsurf, and other AI coding assistants direct access to this documentation.
      </p>

      <CodeGroup>
        ```text theme={null}
        npx skills add https://finance.dev/docs
        ```
      </CodeGroup>

      <a href="/ai-agents/add-skill" className="welcome-feature-link" style={{ fontSize: '0.9rem', textDecoration: 'underline', display: 'block', marginTop: '12px' }}>How to add skills to your AI agents →</a>
    </div>

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    >
      <div style={{ fontWeight: '600', marginBottom: '12px', fontSize: '1.1rem' }}>Connect to our MCP Server</div>

      <p style={{ marginBottom: '12px', fontSize: '0.95rem', lineHeight: 1.5 }}>
        Use the Model Context Protocol to give AI coding assistants like Cursor, Claude Code, and Windsurf direct access to Aries API—market data, orders, and account info without leaving your IDE.
      </p>

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        ```text theme={null}
        https://mcp.aries.com/mcp
        ```
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      <a href="/mcp-auth" className="welcome-feature-link" style={{ fontSize: '0.9rem', textDecoration: 'underline', display: 'block', marginTop: '12px' }}>Set up MCP connection →</a>
    </div>
  </div>

  <CardGroup cols={3}>
    <Card title="Making Your First Request" icon="rocket" href="/api-reference/quickstart">
      Authenticate and make your first live API call in under 5 minutes.
    </Card>

    <Card title="Authentication" icon="shield-halved" href="/api-reference/oauth2/guide">
      OAuth2 flows, credentials, and token management.
    </Card>

    <Card title="Supplemental API" icon="chart-mixed" href="/supplemental-api/overview">
      Options, stocks, analytics, company data, news, ETFs, and more.
    </Card>

    <Card title="Streaming" icon="satellite-dish" href="/websockets/overview">
      Real-time market data and account updates via WebSockets.
    </Card>

    <Card title="SDKs" icon="screwdriver-wrench" href="/sdks/overview">
      Official JavaScript, Python, and Go SDKs.
    </Card>

    <Card title="Rate Limits" icon="gauge" href="/api-reference/oauth2/guide#rate-limits">
      Understand API rate limits and best practices.
    </Card>

    <Card title="API Reference" icon="code" href="/api-reference">
      Explore our complete API documentation.
    </Card>

    <Card title="Changelog" icon="clock-rotate-left" href="/changelog">
      Stay updated with the latest API changes.
    </Card>

    <Card title="Support" icon="envelope" href="mailto:dev@aries.com">
      Questions? Reach out to our developer support team.
    </Card>
  </CardGroup>
</div>

<div
  style={{
maxWidth: '1200px',
margin: '100px auto 80px',
padding: '0 40px'
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>
  <h2
    className="section-title"
    style={{
fontSize: '2.5rem',
fontWeight: 'bold',
textAlign: 'center',
marginBottom: '60px'
}}
  >
    Learn more about Aries
  </h2>

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    <Card title="OpenAPI Specification" icon="file-code" href="/openapi.json">
      Download the OpenAPI specification for API integration.
    </Card>
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