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

# Guides Overview

> Learn how to use the OneBalance Toolkit with guides, code snippets and examples to help you with your integration journey.

## What You'll Find Here

Our guides are designed to get you building quickly with real-world examples that you can adapt for your own projects.

### Account Models & Advanced Features

<CardGroup cols={3}>
  <Card title="EIP-7702 Integration" icon="zap" href="/guides/eip-7702/overview">
    Enable single-transaction cross-chain execution using EOA delegation
  </Card>

  <Card title="Quotes" icon="chart-line" href="/guides/quotes/overview">
    Get started with OneBalance quotes for asset transfers and swaps across multiple chains
  </Card>

  <Card title="Contract Calls" icon="code" href="/guides/contract-calls/overview">
    Execute smart contract interactions using your aggregated balance across blockchains
  </Card>
</CardGroup>

### Integration Tutorials

<CardGroup cols={2}>
  <Card title="Chain-Abstracted Swaps with Privy" icon="repeat" href="/guides/chain-abstracted-swap-with-privy">
    Build token swap interfaces that work across multiple blockchains
  </Card>

  <Card title="Turnkey Integration" icon="key" href="/guides/turnkey-integration">
    Integrate OneBalance with Turnkey wallet infrastructure
  </Card>
</CardGroup>

### Platform Integrations

<CardGroup cols={2}>
  <Card title="Solana Integration (Beta)" icon="circle-dot" href="/guides/solana/overview">
    Cross-chain operations between Solana and EVM chains
  </Card>

  <Card title="AI Integration" icon="bot" href="/ai/building-with-llms">
    Build AI-powered applications with OneBalance MCP integration
  </Card>
</CardGroup>

### Error Handling & Troubleshooting

<CardGroup cols={2}>
  <Card title="Error Codes" icon="list" href="/api-reference/error-codes">
    Complete reference of fail reason codes with troubleshooting steps
  </Card>

  <Card title="Refund Reasons Guide" icon="triangle-alert" href="/guides/quotes/refund-reasons">
    Detailed explanations and handling strategies for quote execution failures
  </Card>
</CardGroup>

## Getting Started

<CardGroup cols={2}>
  <Card title="New to OneBalance?" icon="rocket" href="/api-reference/introduction">
    Start with our API reference to understand core concepts and available endpoints.
  </Card>

  <Card title="Ready to Build?" icon="code" href="/guides/chain-abstracted-swap-with-privy">
    Jump into our most popular tutorial: building a chain-abstracted swap interface.
  </Card>
</CardGroup>

<Tip>
  All our guides include complete, working code examples that you can run immediately.
</Tip>

## Popular Examples

<CardGroup cols={2}>
  <Card title="Contract Call Examples" icon="file-code-2" href="/guides/contract-calls/examples">
    Production-ready examples for DeFi, NFT, and gaming use cases
  </Card>

  <Card title="Quote Examples" icon="receipt" href="/guides/quotes/examples">
    Overview of quotes and how to use them for transfers and swaps
  </Card>

  <Card title="EIP-7702 Troubleshooting" icon="wrench" href="/guides/eip-7702/troubleshooting">
    Handle multi-input limitations and common implementation issues
  </Card>

  <Card title="Solana Examples" icon="circle-dot" href="/guides/solana/examples">
    Cross-chain operations between Solana and EVM networks
  </Card>
</CardGroup>

## Need Help?

* **[API Reference](/api-reference/introduction)**: Detailed documentation for all OneBalance endpoints and schemas
* **[Error Codes](/api-reference/error-codes)**: Complete reference for troubleshooting quote execution failures
* **[Contract Calls Troubleshooting](/guides/contract-calls/troubleshooting)**: Common issues and solutions for contract calls
* **[Discord Community](https://discord.com/invite/vHkw7rpdT8)**: Join our Discord for questions, discussions, and community support
* **[GitHub Examples](https://github.com/OneBalance-io/onebalance-examples)**: Complete source code for tutorial projects