> ## Documentation Index
> Fetch the complete documentation index at: https://docs.t0ken.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> OpenMemoryX - Free Cognitive Memory Engine for AI Applications

## What is OpenMemoryX?

OpenMemoryX is a **free cognitive memory engine** designed for AI applications. It provides persistent memory storage with automatic cognitive classification, vector search, and temporal knowledge graph features.

<CardGroup cols={2}>
  <Card title="Completely Free" icon="dollar-sign" color="#22c55e">
    No credit card required. Unlimited API calls. Forever free.
  </Card>

  <Card title="Async Processing" icon="zap" color="#3b82f6">
    Celery + Valkey powered queue. No waiting for AI classification.
  </Card>

  <Card title="Cognitive AI" icon="brain" color="#8b5cf6">
    Automatic 5-sector classification: Episodic, Semantic, Procedural, Emotional, Reflective.
  </Card>

  <Card title="Open Source" icon="github" color="#6b7280">
    MIT License. Self-host or use our free cloud API.
  </Card>
</CardGroup>

## Getting Started

<Steps>
  <Step title="Create an Account">
    Register at [Portal](https://t0ken.ai/portal) or via API
  </Step>

  <Step title="Get API Key">
    Create an API key from the portal or use the default one
  </Step>

  <Step title="Start Building">
    Integrate the API into your application
  </Step>
</Steps>

## Base URL

```bash theme={null}
https://t0ken.ai/api
```

For local development:

```bash theme={null}
http://192.168.31.65:8080/api
```

## Response Format

All API responses follow a standard format:

```json theme={null}
{
  "success": true,
  "data": { },
  "message": "Operation completed successfully"
}
```

## Rate Limits

Free tier includes:

* **Unlimited** API calls
* **100MB** storage
* **2 concurrent** async workers

<Note>
  Need higher limits? Contact us for enterprise options.
</Note>