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

# Overview

> Explore Prem API capabilities — encrypted chat, audio, and where to read next.

Prem API is an **end-to-end encrypted**, **OpenAI-compatible** API. Use this page to jump to the right docs for chat, audio, and platform concepts.

## Chat & models

<CardGroup cols={2}>
  <Card title="Chat completions" icon="comments" href="/developer-resources/reference/rvenc/chat-completions">
    OpenAI-compatible chat with streaming, and vision-style payloads.
  </Card>

  <Card title="List models" icon="cube" href="/developer-resources/reference/models/list-models">
    Discover available models and filter by type.
  </Card>
</CardGroup>

## Audio

<CardGroup cols={2}>
  <Card title="Transcriptions" icon="microphone" href="/developer-resources/reference/rvenc/audio-transcriptions">
    Speech-to-text from audio uploads.
  </Card>

  <Card title="Translations" icon="language" href="/developer-resources/reference/rvenc/audio-translations">
    Translate spoken audio to English text.
  </Card>
</CardGroup>

## HTTP, keys & security

<CardGroup cols={2}>
  <Card title="Introduction" icon="book" href="/developer-resources/get-started/introduction">
    Base URL, headers, and request patterns.
  </Card>

  <Card title="API keys" icon="key" href="/developer-resources/get-started/api-keys">
    Create, scope, and manage keys in the dashboard.
  </Card>

  <Card title="Encryption" icon="lock" href="/developer-resources/get-started/encryption">
    How key exchange and ciphertext work end to end.
  </Card>

  <Card title="Errors" icon="circle-exclamation" href="/developer-resources/get-started/errors">
    Status codes and error payloads.
  </Card>
</CardGroup>

## Recipes & platform context

<CardGroup cols={2}>
  <Card title="Recipes" icon="book-open" href="/recipes/overview">
    Step-by-step flows for chat, audio, and auth patterns.
  </Card>

  <Card title="What is Prem API" icon="eye" href="/basics/learn-more/overview">
    Product positioning and who it’s for.
  </Card>

  <Card title="How it works" icon="diagram-project" href="/basics/learn-more/how-it-works">
    Architecture and data flow at a high level.
  </Card>

  <Card title="Security model" icon="shield-halved" href="/basics/learn-more/security-model">
    Trust boundaries, TEEs, and threat model.
  </Card>
</CardGroup>

## Before you start

Read **[Rate limits](/developer-resources/get-started/rate-limits)** and **[Encryption](/developer-resources/get-started/encryption)** before production traffic. For operational issues, see **[Errors](/developer-resources/get-started/errors)**.

If you have not run code yet, start with **[Quickstart](/basics/build/quickstart)**.