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

# API Reference

> Overview of the Linqra API integrations and services

# Linqra API Reference

This section provides a comprehensive guide to the various APIs and services that make up the Linqra platform.

## Core Services

<CardGroup cols={2}>
  <Card title="Self Signed Certificates" icon="certificate" href="/api-reference/selfsignedcerts">
    Creating and managing self-signed certificates for secure communications
  </Card>

  <Card title="MongoDB" icon="database" href="/api-reference/mongodb">
    Document database for flexible data storage and retrieval
  </Card>

  <Card title="Redis" icon="bolt" href="/api-reference/redis">
    In-memory data structure store for caching and performance optimization
  </Card>

  <Card title="Keycloak" icon="key" href="/api-reference/keycloak">
    Identity and access management service for authentication and authorization
  </Card>
</CardGroup>

## Using the APIs

All Linqra APIs follow RESTful principles with JSON as the primary data format. The APIs are secured using OAuth 2.0 with JWT tokens provided by Keycloak.

For detailed information about specific endpoints, request/response formats, and authentication requirements, please refer to the individual service documentation sections.