---
title: Gremlin
description: Send events occurring in Gremlin to Datadog
breadcrumbs: Docs > Integrations > Gremlin
---

# Gremlin
Supported OS Integration version1.0.0
{% callout %}
# Important note for users on the following Datadog sites: us2.ddog-gov.com

{% alert level="info" %}
To find out if this integration is available in your organization, see your [Datadog Integrations](https://app.datadoghq.com/integrations) page or ask your organization administrator.

To initiate an exception request to enable this integration for your organization, email [support@ddog-gov.com](mailto:support@ddog-gov.com).
{% /alert %}

{% /callout %}

## Overview{% #overview %}

View, rerun, and halt Gremlin attacks directly from Datadog!

Pairing Gremlin with Datadog's [Events](https://docs.datadoghq.com/getting_started.md#events) is an effective way to add failure-testing context to your Datadog workflows.

- Overlay attack events on top of your dashboards to pinpoint exactly how and when Gremlin is impacting your metrics.
- Show, Rerun, and Halt Gremlin attacks from your Datadog [Event Stream](https://app.datadoghq.com/event/stream)



## Setup{% #setup %}

### Configuration{% #configuration %}

To activate this integration, you need to pass your Datadog API key to Gremlin. This is done on the [Integrations Page](https://app.gremlin.com/settings/integrations), by clicking the **Add** button on the row for **Datadog**. You are prompted for your **Datadog API key**. Once entered, the integration is initialized.

- API key: ${api_key}

You should start seeing events from this integration in your [Event Stream](https://app.datadoghq.com/event/stream).

## Data Collected{% #data-collected %}

### Metrics{% #metrics %}

The Gremlin integration does not provide any metrics.

### Events{% #events %}

The Gremlin integration sends events to your [Datadog Event Stream](https://app.gremlin.com/settings/integrations) when attacks are started or stopped on Gremlin.

### Service Checks{% #service-checks %}

The Gremlin integration does not include any service checks.

## Troubleshooting{% #troubleshooting %}

Need help? Contact [Datadog support](https://docs.datadoghq.com/help/).

## Further Reading{% #further-reading %}

- [How Gremlin monitors its own Chaos Engineering service with Datadog](https://www.datadoghq.com/blog/gremlin-datadog/)