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

# API Overview

> Overview of Lumina REST APIs

Lumina provides REST APIs for trace ingestion, querying, and management.

***

## Base URLs

* **Ingestion:** `http://localhost:9411`
* **Query API:** `http://localhost:8081`
* **Replay API:** `http://localhost:8082`

***

## APIs

<CardGroup cols={2}>
  <Card title="Ingestion API" href="/docs/api/ingestion">
    OTLP trace ingestion endpoint
  </Card>

  <Card title="Query API" href="/docs/api/query">
    Trace retrieval and analytics
  </Card>

  <Card title="Replay API" href="/docs/api/replay">
    Replay testing and comparison
  </Card>

  <Card title="Webhooks" href="/docs/api/webhooks">
    Webhook configuration for alerts
  </Card>
</CardGroup>

***

## Authentication

Self-hosted: No authentication required by default

Cloud: API key authentication

```bash theme={null}
curl -H "Authorization: Bearer YOUR_API_KEY" \
  http://api:8081/api/traces
```