# FastroAI Documentation

**Complete AI stack: FastAPI + AstroJS + PydanticAI. Auth, payments, AI agents pre-built.**

FastroAI gives you everything you need to build and ship profitable AI applications. This documentation teaches you how to build profitable AI applications using FastroAI - from problem identification to production deployment.

!!! tip "New to AI applications?"
    Start with our [Learning Path](learn/index.md) to build your first AI application from scratch using real-world examples.

!!! success "Just want to get started?"
    Skip the theory and [Get FastroAI Running](getting-started/index.md) in 5 minutes. Understand how it works later.

## Documentation Overview

<div class="grid cards" markdown>

-   :material-rocket-launch:{ .lg .middle } **Getting Started**

    ---
    
    From purchase to working AI API in 5 minutes. Skip the theory, get FastroAI running immediately.
    
    [Quick Start](getting-started/index.md){ .md-button }

-   :material-school:{ .lg .middle } **Learn FastroAI**

    ---
    
    Build AI applications by solving real problems. Work through building a Personal Finance Assistant from problem identification to working application.
    
    [Start Learning](learn/index.md){ .md-button }

-   :material-book-open:{ .lg .middle } **Guides**

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    Feature-specific implementation guides. Authentication, payments, admin interface, infrastructure, and more.

    [Browse Guides](guides/index.md){ .md-button }

-   :material-chef-hat:{ .lg .middle } **Recipes** *(Coming Soon)*

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    Ready-to-use solutions for common patterns. Copy and paste implementations for specific use cases.

    [View Recipes](recipes/index.md){ .md-button }

</div>

## Why FastroAI?

**Save months of development time.** Instead of building authentication, billing, and AI infrastructure from scratch, focus on your actual AI application.

**Revenue potential.** Each month you delay building your AI application costs an average of $15K in missed revenue. FastroAI gets you to market in days, not months.

**Complete stack.** Everything you need to build, deploy, and monetize AI applications:

!!! info "What's Included"

    :material-check:{ .green } **AI Agents** - PydanticAI integration with memory management, usage tracking, and tool integration  
    :material-check:{ .green } **Authentication System** - JWT + OAuth 2.0 ready with Google/GitHub login  
    :material-check:{ .green } **Payment Processing** - Complete Stripe integration with subscriptions and credits  
    :material-check:{ .green } **Entitlement System** - Tier-based access control for any business model  
    :material-check:{ .green } **Full-Stack Ready** - FastAPI backend + AstroJS frontend  
    :material-check:{ .green } **Production Ready** - Monitoring, background tasks, admin interface, testing suite

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## Quick Start Options

<div class="grid cards" markdown>

-   :material-rocket-launch:{ .lg .middle } **Get Running Fast**

    ---
    
    [Getting Started](getting-started/index.md)
    
    From purchase to working AI API in 5 minutes

-   :material-school:{ .lg .middle } **Learn by Building**

    ---
    
    [Learning Path](learn/index.md)
    
    Build your first AI application with step-by-step guidance

-   :material-forum:{ .lg .middle } **Join Community**

    ---
    
    [Discord Server](https://discord.com/invite/TEmPs22gqB)
    
    Connect with other FastroAI developers and get help

-   :material-post:{ .lg .middle } **Read Blog**

    ---
    
    [FastroAI Blog](https://fastro.ai/blog)
    
    AI development insights and FastroAI updates

</div>

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**Ready to build AI applications that generate revenue?**

[Start Learning →](learn/index.md){ .md-button .md-button--primary }