# Unlock Events API

**Overview**

This endpoint is the timestamp information of the unlock events start date. This dataset is the only dataset with timestamp information of the unlocks

There are 4 versions of Unlock Events API

* <mark style="background-color:yellow;">**Unlock Events API v4 (Recommended) ; Reflect to updated frontend > Remove start of linear**</mark> <mark style="background-color:yellow;"></mark> <mark style="background-color:yellow;">**and mining rewards  (only contain cliff unlocks)**</mark>

{% content-ref url="unlock-events-api/unlock-events-api-v4" %}
[unlock-events-api-v4](https://docs.unlocks.app/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v4)
{% endcontent-ref %}

* Unlock Events API v3 ; Provides more data from tokens with AI assisted

{% content-ref url="unlock-events-api/unlock-events-api-v3" %}
[unlock-events-api-v3](https://docs.unlocks.app/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v3)
{% endcontent-ref %}

* Unlock Events API v2 ; reflect to updated frontend -> Remove linear change rate

{% content-ref url="unlock-events-api/unlock-events-api-v2" %}
[unlock-events-api-v2](https://docs.unlocks.app/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v2)
{% endcontent-ref %}

* Unlock Events API v1 ;

{% content-ref url="unlock-events-api/unlock-events-api-v1" %}
[unlock-events-api-v1](https://docs.unlocks.app/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v1)
{% endcontent-ref %}