> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ai21.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

The AI21 API reference provides the technical details you need to authenticate, send requests, and interpret responses when working with AI21’s APIs.\
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It covers multiple products such as our: Jamba Family of Open Models, AI21 Maestro, which is AI21 Maestro is a dynamic planning system that determines the optimal sequence of actions to solve a given task during inference time.\
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To get started, visit the [Authentication](https://docs.ai21.com/reference/authentication) page and review the endpoint-specific reference sections in the navigation menu.\
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If you have any questions, feel free to reach out to our support team via [**email**](mailto:support@ai21.com) or click the chat icon in the lower right corner.