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

# Rock API: AI API Gateway and OpenAPI Marketplace

> Rock API (rockapi, rockapi.ai) is an AI API gateway and OpenAPI marketplace. Access 50+ models through an OpenAI-compatible API with 30% savings.

# Rock API: AI API Gateway and OpenAPI Marketplace

Rock API (also searched as **rockapi**, **rock api**, **RockAI**, or **rock ai**) is the destination for developers to discover, subscribe to, and sell APIs. Whether you're looking for the latest AI models at a discount or want to monetize your own API, Rock API has you covered.

The official Rock API domains are [rockapi.ai](https://rockapi.ai) for the dashboard and [docs.rockapi.ai](https://docs.rockapi.ai) for documentation.

<Card title="Start building" icon="rocket" href="https://rockapi.ai/sign-up?utm_source=docs&utm_medium=referral&utm_campaign=docs_launch">
  Create an account, generate an [API key](https://rockapi.ai/keys), and start using the marketplace today.
</Card>

## Why choose Rock API?

<CardGroup cols={2}>
  <Card title="AI Model Marketplace" icon="robot">
    Access 50+ premium AI models (OpenAI, Anthropic, Gemini, etc.) through a single OpenAI-compatible interface.
  </Card>

  <Card title="Save 30% on AI Costs" icon="percent">
    Enjoy a guaranteed 30% discount (0.7x pricing) on all upstream AI model usage when using Rock API.
  </Card>

  <Card title="OpenAPI Marketplace" icon="puzzle-piece">
    Discover high-quality APIs from independent developers and providers in our curated OpenAPI marketplace.
  </Card>

  <Card title="Easy Integration" icon="bolt">
    One key, one interface, and unified billing for all your API subscriptions.
  </Card>
</CardGroup>

## What is RockAPI?

[RockAPI](/rockapi) is another common way developers write Rock API. The product name is **Rock API**, and the platform provides a single OpenAI-compatible base URL, one API key, unified billing, and discounted access to supported OpenAI, Anthropic, and Google models.

## The Best OpenRouter & LiteLLM Alternative

If you are looking for a managed **OpenRouter alternative** or a simplified **LiteLLM alternative**, Rock API provides a developer-friendly platform that combines:

* **0.7x Pricing**: Save 30% compared to direct providers.
* **Enterprise Reliability**: Single point of access for OpenAI, Claude, and Gemini.
* **Unified Billing**: No need to manage multiple provider accounts or keys.

## Choose your path

<CardGroup cols={2}>
  <Card title="For Buyers" icon="shopping-cart" href="/blog/buyers">
    **Find the perfect API.** Search by category, compare pricing, and subscribe with one click.
  </Card>

  <Card title="For Sellers" icon="store" href="/blog/sellers">
    **Sell your API.** Reach thousands of developers, handle billing automatically, and grow your API business.
  </Card>
</CardGroup>

## Get Started

* **Base URL:** `https://rockapi.ai/v1`
* **Quickstart:** Read the [Quickstart](/quickstart) to send your first request.
* **Authentication:** Review [Authentication](/authentication) before production use.
* **Models:** Compare available options in [Models and Providers](/models-and-providers).