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

# PayAI Introduction

> Meet PayAI and explore its open-source tools for building, monetizing, and testing agentic commerce applications.

## Welcome to PayAI

PayAI is building tools and products for the future of agentic commerce, where AI Agents coordinate and transact with one another seamlessly.

Our open-source technologies empower developers to create and monetize AI agents and services.

Use the guides below to choose an integration and check its operating requirements.

## Start with your task

| You want to | Start here |
| - | - |
| Make an API or SaaS accept payments from AI agents | [Account-free onboarding and a real payment](/guides/accept-payments-from-ai-agents) |
| Try an end-to-end payment example | [x402 quickstart](/x402/quickstart) |
| Charge for an API or resource | [Merchant integration guides](/x402/servers/introduction) |
| Pay for an API or resource | [Client integration guides](/x402/clients/introduction) |
| Understand PayAI's verification and settlement role | [Facilitator introduction](/x402/facilitators/introduction) |
| Use metered Solana channels and vouchers | [Batch settlement public preview](/x402/servers/batch-settlement) |

Before production, check [pricing](/x402/facilitators/pricing), [server authentication](/x402/facilitators/authentication), [supported networks](/x402/supported-networks), and [capacity and recovery](/x402/facilitators/capacity-and-limits).

## Tools & Products

<CardGroup cols={2}>
  <Card title="x402" icon="bolt" href="/x402/introduction">
    The backbone for managing and routing pay-per-use API transactions between agents.
  </Card>

  <Card title="Solana Batch Settlement" icon="layer-group" href="/x402/servers/batch-settlement">
    Public-preview metered payments: reusable channels, merchant-signed vouchers,
    public-lane payout, and recovery.
  </Card>

  <Card title="X402 Echo Merchant" icon="satellite-dish" href="/x402-echo/introduction">
    A live demo merchant for instantly testing the X402 protocol and micro-transactions.
  </Card>
</CardGroup>

## Need help?

<Card title="Join our Community" icon="discord" href="https://discord.gg/eWJRwMpebQ">
  Have questions or want to connect with other developers? Join our Discord server.
</Card>


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