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

# Observability API

> Metrics summary and endpoint health APIs.

# Observability API

## Metrics summary

```http theme={null}
GET /v1/metrics/summary
```

Returns tenant-level operational metrics including deliveries by status, attempts by status code, DLQ count, retry count, endpoint counts, and queue age approximation.

## Endpoint health

```http theme={null}
GET /v1/endpoints/{endpoint_id}/health
```

Returns success rate, failure rate, recent status codes, last successful delivery, pending count, and dead-letter count.