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

# Klaviyo

> Bring Klaviyo lists, segments, metrics, campaigns, flows, and draft campaign creation into ADSMCP.

Bring email marketing lists, segments, metrics, campaigns, flows, and draft campaign creation into agent workflows.

## Capability status

<CardGroup cols={3}>
  <Card title="Available now" icon="check">
    List discovery, segment discovery, metric discovery, campaign reads, flow reads, aggregate queries, and draft campaign creation.
  </Card>

  <Card title="Credential model" icon="key">
    The MCP service uses the server-side `KLAVIYO_API_KEY` credential.
  </Card>

  <Card title="Endpoint" icon="route">
    MCP route: `/api/mcp/klaviyo`
  </Card>
</CardGroup>

## REST example

```http theme={null}
POST /api/v1/tools/query_klaviyo_metric_aggregates/execute
{
  "platform": "klaviyo",
  "arguments": {
    "metric_id": "metric_123",
    "start_date": "2026-05-01T00:00:00Z",
    "end_date": "2026-06-01T00:00:00Z",
    "by": "day"
  }
}
```

## Connection notes

* Klaviyo appears in the dashboard as an email marketing integration.
* The dashboard does not start OAuth for Klaviyo. The current backend adapter is API-key backed.
* Write behavior is limited to draft-style campaign creation through the MCP service.


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