# Timeline-cards

{% hint style="info" %}
These endpoints are in beta testing. Some features may not work as documented or may behave unexpectedly. 
{% endhint %}

Use Timeline Cards to integrate your app into Acquire's conversation timeline. For example, Timeline Cards are used to track purchase history and create a timeline of customer purchase events. 

{% hint style="success" %}
How to use the card, [click here](https://github.com/acquireio/custom-cards/).
{% endhint %}

### Permissions

To request a Custom Card endpoint, you will need a valid API Key with Custom Card access permissions.