> ## Documentation Index
> Fetch the complete documentation index at: https://infisical-groups-phase-3.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Components

> Infisical's components span multiple clients, an API, and a storage backend.

## Infisical API

The Infisical API (sometimes referred to as the **backend**) contains the core platform logic.

## Storage backend

Infisical relies on a storage backend to store data including users and secrets. Infisical's storage backend is Postgres.

## Redis

Infisical uses [Redis](https://redis.com) to enable more complex workflows including a queuing system to manage long running asynchronous tasks, cron jobs, as well as reliable cache for frequently used resources.

## Infisical Web UI

The Web UI is the browser-based portal that connects to the Infisical API.

## Infisical clients

Clients are any application or infrastructure that connecting to the Infisical API using one of the below methods:

* Public API: Making API requests directly to the Infisical API.
* Client SDK: A platform-specific library with method abstractions for working with secrets. Currently, there are three official SDKs: [Node SDK](https://infisical.com/docs/sdks/languages/node), [Python SDK](https://infisical.com/docs/sdks/languages/python), and [Java SDK](https://infisical.com/docs/sdks/languages/java).
* CLI: A terminal-based interface for interacting with the Infisical API.
* Kubernetes Operator: This operator retrieves secrets from Infisical and securely store