---
title: "Integrations - Addevent"
url: "https://docs.unified.to/integrations/addevent"
description: "Build AddEvent integrations faster with our Unified API — Calendar & Meetings data, API key, real-time sync."
date: "2026-10-25T22:24:19.492Z"
updated: "2026-10-25T22:24:19.492Z"
---
![](https://api.unified.to/docs/images/addevent.png)

# AddEvent integration

[Back to integrations](https://docs.unified.to/integrations.md)

#### Overview

Company website:

<https://www.addevent.com>

Integration launch date:

October 21, 2026

API Categories:

[Calendar & Meetings](https://docs.unified.to/calendar/overview.md)[Passthrough](https://docs.unified.to/passthrough/overview.md)

API Authorization:

 API Key

#### CALENDAR CALENDAR

End-API object:

 calendar

Unified API Methods:

[List](https://docs.unified.to/calendar/calendar/List%5Fall%5Fcalendars.md)[Get](https://docs.unified.to/calendar/calendar/Retrieve%5Fa%5Fcalendar.md)[Create](https://docs.unified.to/calendar/calendar/Create%5Fa%5Fcalendar.md)[Update](https://docs.unified.to/calendar/calendar/Update%5Fa%5Fcalendar.md)[Remove](https://docs.unified.to/calendar/calendar/Remove%5Fa%5Fcalendar.md)

List options:

limitoffsetordersort\_by\_created\_at

Readable fields:

[created\_at](https://docs.unified.to/calendar/calendar/model.md)[description](https://docs.unified.to/calendar/calendar/model.md)[id](https://docs.unified.to/calendar/calendar/model.md)[is\_primary](https://docs.unified.to/calendar/calendar/model.md)[name](https://docs.unified.to/calendar/calendar/model.md)[timezone](https://docs.unified.to/calendar/calendar/model.md)[updated\_at](https://docs.unified.to/calendar/calendar/model.md)

Writable fields:

[name](https://docs.unified.to/calendar/calendar/model.md)[description](https://docs.unified.to/calendar/calendar/model.md)[timezone](https://docs.unified.to/calendar/calendar/model.md)

 required fields 

#### CALENDAR EVENT

End-API object:

 event

Unified API Methods:

[List](https://docs.unified.to/calendar/event/List%5Fall%5Fevents.md)[Get](https://docs.unified.to/calendar/event/Retrieve%5Fan%5Fevent.md)[Create](https://docs.unified.to/calendar/event/Create%5Fan%5Fevent.md)[Update](https://docs.unified.to/calendar/event/Update%5Fan%5Fevent.md)[Remove](https://docs.unified.to/calendar/event/Remove%5Fan%5Fevent.md)

List options:

calendar\_idend\_ltlimitoffsetorderquerysort\_by\_created\_atstart\_gte

Readable fields:

[calendar\_id](https://docs.unified.to/calendar/event/model.md)[created\_at](https://docs.unified.to/calendar/event/model.md)[end\_at](https://docs.unified.to/calendar/event/model.md)[id](https://docs.unified.to/calendar/event/model.md)[is\_all\_day](https://docs.unified.to/calendar/event/model.md)[is\_free](https://docs.unified.to/calendar/event/model.md)[location](https://docs.unified.to/calendar/event/model.md)[notes](https://docs.unified.to/calendar/event/model.md)[organizer](https://docs.unified.to/calendar/event/model.md)[start\_at](https://docs.unified.to/calendar/event/model.md)[subject](https://docs.unified.to/calendar/event/model.md)[timezone](https://docs.unified.to/calendar/event/model.md)[updated\_at](https://docs.unified.to/calendar/event/model.md)[web\_url](https://docs.unified.to/calendar/event/model.md)

Writable fields:

[start\_at](https://docs.unified.to/calendar/event/model.md)[subject](https://docs.unified.to/calendar/event/model.md)[calendar\_id](https://docs.unified.to/calendar/event/model.md)[end\_at](https://docs.unified.to/calendar/event/model.md)[is\_all\_day](https://docs.unified.to/calendar/event/model.md)[is\_free](https://docs.unified.to/calendar/event/model.md)[location](https://docs.unified.to/calendar/event/model.md)[notes](https://docs.unified.to/calendar/event/model.md)[organizer](https://docs.unified.to/calendar/event/model.md)[timezone](https://docs.unified.to/calendar/event/model.md)

 required fields 

#### PASSTHROUGH

Unified API Methods:

[POST](https://docs.unified.to/passthrough/overview.md)[GET](https://docs.unified.to/passthrough/overview.md)[PUT](https://docs.unified.to/passthrough/overview.md)[DELETE](https://docs.unified.to/passthrough/overview.md)

List options:

\-none-

Readable fields:

[\-none-](https://docs.unified.to/passthrough/undefined/model.md)

Writable fields:

[\-none-](https://docs.unified.to/passthrough/undefined/model.md)