> For the complete documentation index, see [llms.txt](https://docs.unlocks.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.unlocks.app/api-documents/api-endpoints/unlock-events-api.md).

# 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="/pages/rFdpYaMWCU0IiRbUU7x0" %}
[Unlock Events API v4](/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v4.md)
{% endcontent-ref %}

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

{% content-ref url="/pages/UovQVsW7GUyxwRX1fNHH" %}
[Unlock Events API v3](/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v3.md)
{% endcontent-ref %}

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

{% content-ref url="/pages/Uv9FlNRngcQ8sbKR1Dd8" %}
[Unlock Events API v2](/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v2.md)
{% endcontent-ref %}

* Unlock Events API v1 ;

{% content-ref url="/pages/SwDLDoON0PYc9UtXg3NT" %}
[Unlock Events API v1](/api-documents/api-endpoints/unlock-events-api/unlock-events-api-v1.md)
{% endcontent-ref %}