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

# HaiPay Merchant Guide

> Explore the core HaiPay merchant documentation entry points for onboarding, configuration, integration, testing, and go-live preparation.

Core documentation entry points organized around the merchant integration journey, from setup through testing and go-live.

<Columns cols={2}>
  <Card title="Integration Process" icon="map" href="./integration_process_guide">
    Start with the full onboarding path before implementation and testing begin.
  </Card>

  <Card title="Config & Signature" icon="shield-halved" href="./config_settings_and_signature_rules_guide">
    Review merchant parameters, signing rules, request format, and key configuration requirements.
  </Card>

  <Card title="Integration Steps" icon="list-check" href="./integration_guide">
    Follow the implementation sequence for API access, parameter setup, and callback handling.
  </Card>

  <Card title="API Description" icon="book-open" href="./api_description_guide">
    Understand shared fields, common rules, signature logic, and response structures.
  </Card>

  <Card title="End-to-End Testing" icon="flask" href="./end_to_end_testing">
    Validate the testing flow and confirm the required checks before submission and launch.
  </Card>

  <Card title="Onboarding Checklist" icon="rocket" href="./onboarding_checklist">
    Verify production readiness, required materials, and final launch preparation items.
  </Card>

  <Card title="Frequently Asked Questions" icon="circle-question" href="./frequently_asked_question">
    Find common errors, configuration questions, and troubleshooting guidance.
  </Card>

  <Card title="Connect to HaiPay MCP" icon="https://mintcdn.com/haipay-3385f6e8/0m8rOqcqa2qMm5TY/images/ai/mcp.svg?fit=max&auto=format&n=0m8rOqcqa2qMm5TY&q=85&s=15407961061bdfbb9331239f245a4a14" href="/docs/en/ai/connect_ai_via_mcp/" width="200" height="200" data-path="images/ai/mcp.svg">
    Connect HaiPay Documentation Knowledge Base via HaiPay MCP.
  </Card>
</Columns>

## Related Topics

* [HaiPay Integration Steps Guide](/docs/en/guide/integration_guide)
* [HaiPay Payment API Documentation List](/docs/en/guide/api_doc_list)
* [HaiPay Onboarding Checklist](/docs/en/guide/onboarding_checklist)