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

# Registration and Enterprise Whitelist

> LaoZhang API registration requires a Gmail address. Enterprise users can contact support by email or Telegram to request whitelist registration.

<Warning>
  ## Registration and Enterprise Whitelist

  **Registration requires a Gmail address.**

  **Enterprise users can email `hi@laozhang.ai` or contact [@laozhang\_cn](https://t.me/laozhang_cn) on Telegram to request whitelist registration.**
</Warning>

<Note>
  **Need Chinese docs?** [Switch to Chinese version](/)
</Note>

<Info>
  **Service Positioning Statement**

  LaoZhang API is an AI technical API integration service platform for **enterprises and developers**, providing standardized API integration capabilities. This platform only provides technical API integration services and does not provide content generation services to the public. Users are responsible for the legality and compliance of output content.
</Info>

## Company Information

laozhang.ai is operated by **YingTu Technology Pte. Ltd.**, a Singapore company. The main product website is [www.laozhang.ai](https://www.laozhang.ai).

* **Company entity**: YINGTU TECHNOLOGY PTE. LTD. (Singapore)
* **Product brand**: laozhang.ai
* **Main product website**: [www.laozhang.ai](https://www.laozhang.ai)
* **Operation statement**: laozhang.ai is operated by YingTu Technology Pte. Ltd.

<CardGroup cols={3}>
  <Card title="Telegram" icon="send" href="https://t.me/laozhang_cn">
    @laozhang\_cn
  </Card>

  <Card title="Email" icon="mail">
    `hi@laozhang.ai`
  </Card>

  <Card title="TG Channel" icon="send-horizontal" href="https://t.me/laozhang_ai">
    @laozhang\_ai
  </Card>
</CardGroup>

## Account and Documentation

<CardGroup cols={3}>
  <Card title="Account Registration" icon="user-plus" href="https://api2.laozhang.ai/register/?aff_code=Snip">
    Gmail address required; enterprise users can request whitelist access by email or Telegram
  </Card>

  <Card title="Quick Start" icon="rocket" href="/en/getting-started">
    Set up an API key and verify API connectivity
  </Card>

  <Card title="API Manual" icon="book" href="/en/api-manual">
    Read endpoint rules, authentication, and request examples
  </Card>

  <Card title="Model Information" icon="database" href="/en/api-capabilities/model-info">
    Review available models and capability coverage
  </Card>

  <Card title="Pricing" icon="credit-card" href="/en/pricing">
    Understand usage-based billing and enterprise account controls
  </Card>

  <Card title="Changelog" icon="megaphone" href="/en/changelog">
    Follow model releases, route changes, and pricing updates
  </Card>
</CardGroup>

## Core API Capabilities

<CardGroup cols={2}>
  <Card title="Chat Completions API" icon="message-circle" href="/en/api-reference/chat-completions">
    Multi-turn conversations and text generation
  </Card>

  <Card title="Models API" icon="list" href="/en/api-reference/models">
    Retrieve currently available model information
  </Card>

  <Card title="Images API" icon="image" href="/en/api-reference/images">
    Image generation and editing endpoints
  </Card>

  <Card title="Video Generation API" icon="clapperboard" href="/en/api-capabilities/wan-video-generation">
    Async video generation with Wan 2.7, Veo 3.1, Sora 2, and Seedance
  </Card>

  <Card title="Embeddings API" icon="vector-square" href="/en/api-capabilities/text-embedding">
    Text embeddings for search and RAG workflows
  </Card>

  <Card title="OpenAI SDK Usage" icon="code" href="/en/api-capabilities/openai-sdk">
    Use OpenAI-compatible client configuration
  </Card>

  <Card title="OpenAI Responses API" icon="message-circle-reply" href="/en/api-capabilities/openai-responses">
    Standard response-format compatible interface
  </Card>
</CardGroup>

## Scenario Guides

<CardGroup cols={2}>
  <Card title="Chat Clients" icon="message-square" href="/en/scenarios">
    Cherry Studio, Open WebUI, ChatGPT Next Web, and related clients
  </Card>

  <Card title="Programming Tools" icon="code" href="/en/scenarios">
    Cursor, Cline, Claude Code, OpenClaw, and coding workflows
  </Card>

  <Card title="Engineering Integration" icon="workflow" href="/en/scenarios">
    LangChain, Dify, and application workflow integration
  </Card>

  <Card title="Translation and Office Tools" icon="languages" href="/en/scenarios">
    Bob Translation, Immersive Translate, and productivity scenarios
  </Card>
</CardGroup>

## Enterprise Service Boundaries

* **Intended users**: enterprise system integration, software development, internal tools, and business automation.
* **Interface model**: unified balance, unified authentication, and OpenAI-compatible calling patterns.
* **Service boundary**: no model training, no generation-logic intervention, and no public content-generation service.
* **Data responsibility**: the platform does not store user request content; users are responsible for legality and compliance of outputs.
* **Enterprise support**: corporate payment, invoices, contracts, and whitelist registration coordination are available.

<Note>
  New-account test credits are only for API connectivity verification and development testing. They are not intended for production workloads or public content delivery.
</Note>

## FAQ

<AccordionGroup>
  <Accordion title="What service does LaoZhang API provide?">
    LaoZhang API is a technical API integration platform for enterprises and developers. It provides unified API access for model integration, application development, and internal business systems.
  </Accordion>

  <Accordion title="Who can register and use the service?">
    Registration requires a Gmail address. Enterprise users can email `hi@laozhang.ai` or contact [@laozhang\_cn](https://t.me/laozhang_cn) on Telegram to request whitelist registration.
  </Accordion>

  <Accordion title="Do I need separate official model-provider accounts?">
    No. After registering a LaoZhang API account and configuring your API key, you can call currently supported models through the unified API. Availability is subject to the console and model information page.
  </Accordion>
</AccordionGroup>