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

# Use Case API

export const LwTemplate = ({title = "Key questions to get you started", icon = "sparkles", cta = "Powered by Agent Studio", linkHref = "https://lucidworks.com/demo/?utm_source=docs&utm_medium=referral&utm_campaign=docs_cta_ai"}) => {
  const [isLoaded, setIsLoaded] = useState(false);
  useEffect(() => {
    const timer = setTimeout(() => {
      setIsLoaded(true);
    }, 500);
    return () => clearTimeout(timer);
  }, []);
  return <div className="lw-template-container">
      <Card title={title} icon={icon}>
        {isLoaded && <span dangerouslySetInnerHTML={{
    __html: `<lw-template id="a029c1a9-28be-427e-b0e1-5d918920246a"></lw-template
            >`
  }} />}
        <Link href={linkHref} className="agent-studio-link text-left text-gray-600 gap-2 dark:text-gray-400 text-sm font-medium flex flex-row items-center hover:text-primary dark:hover:text-primary-light group-hover:text-primary group-hover:dark:text-primary-light">Powered by Lucidworks Agent Studio</Link>
      </Card>
    </div>;
};

[old doc.lw link]: https://doc.lucidworks.com/lw-platform/ai/0stpyb

[localhost link]: http://localhost:3000/docs/lw-platform/lw-ai/lw-ai-apis/lw-ai-use-case-api

[mintlify link]: https://doc.lucidworks.com/docs/lw-platform/lw-ai/lw-ai-apis/lw-ai-use-case-api

The Lucidworks AI Use Case API returns a list of each use case and the available models that support each use case. This API serves as a central repository of the most current use cases and models that Lucidworks AI supports, including custom models.

As Lucidworks AI adds new use cases or models, the Use Case API returns the new use cases and models as soon as they’re available, eliminating the need to manually check another resource to view what is currently available.

You can enter the values returned in the response of the Use Case API in the:

* [LWAI Prediction API](/docs/lw-platform/lw-ai/lw-ai-apis/lw-ai-prediction-api/overview) use case requests
* [Lucidworks AI Async Prediction API](/docs/lw-platform/lw-ai/lw-ai-apis/lw-ai-async-prediction-api/overview) use case requests

For a list of models that Lucidworks supports, see [Pre-trained embedding models](/docs/lw-platform/lw-ai/lw-ai-pre-trained-embedding-models) and [Generative AI models](/docs/lw-platform/lw-ai/lw-ai-generative-ai#generative-ai-models). For the types of custom models that you can train in Lucidworks AI, see [Custom embedding model training](/docs/lw-platform/lw-ai/lw-ai-custom-embedding-model-training/overview).

<LwTemplate />

## Prerequisites

To use this API, you need:

* The unique `APPLICATION_ID` for your Lucidworks AI application, which is provided by Lucidworks.
* A bearer token generated with a scope value of `machinelearning.predict`. For more information, see [Authentication API](/docs/lw-platform/lw-platform/authentication-api).