> ## Documentation Index
> Fetch the complete documentation index at: https://docs.flow402.net/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Flow402 is an x402-compatible, non-custodial facilitator for USDC. It verifies and settles micro-payments via simple APIs, while all funds stay fully on-chain.

## About x402

If you’re new to x402, start here to learn the essentials.

<Card title="Learn about x402" icon="globe" href="https://www.coinbase.com/en-fr/developer-platform/products/x402" horizontal>
  Learn about why HTTP 402 is here to stay and can shift the Agentic era.
</Card>

## Discover how to use Flow402

Learn everything about how to use Flow402 in your project.

<Columns cols={3}>
  <Card title="Examples" icon="book" href="/examples">
    Learn more with various examples in NodeJS and Python.
  </Card>

  <Card title="API reference" icon="code" href="/api-reference/introduction">
    Explore and scale with Flow402's APIS.
  </Card>

  <Card title="Model Context Protocol" icon="hexagon-nodes" href="/mcp/overview">
    Use Flow402 with your preferred LLM.
  </Card>
</Columns>