---
title: "Integrations - Oncehub"
url: "https://docs.unified.to/integrations/oncehub"
description: "Build OnceHub integrations faster with our Unified API — Calendar & Meetings data, API key, real-time sync."
date: "2026-11-02T12:21:17.863Z"
updated: "2026-11-02T12:21:17.863Z"
---
![](https://api.unified.to/docs/images/oncehub.png)

# OnceHub integration

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

#### Overview

Company website:

<https://www.oncehub.com/>

Integration launch date:

October 7, 2026

API Categories:

[Calendar & Meetings](https://docs.unified.to/calendar/overview.md)[CRM](https://docs.unified.to/crm/overview.md)[HR & Directory](https://docs.unified.to/hris/overview.md)[Authentication](https://docs.unified.to/auth/overview.md)[Passthrough](https://docs.unified.to/passthrough/overview.md)

API Authorization:

 API Key

#### CALENDAR EVENT

End-API object:

 booking

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)[Remove](https://docs.unified.to/calendar/event/Remove%5Fan%5Fevent.md)

Webhooks:

 Virtual Native

List options:

calendar\_idend\_ltlimitoffsetstart\_gteupdated\_gteuser\_id

Readable fields:

[attendees](https://docs.unified.to/calendar/event/model.md)[calendar\_id](https://docs.unified.to/calendar/event/model.md)[conference](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)[location](https://docs.unified.to/calendar/event/model.md)[notes](https://docs.unified.to/calendar/event/model.md)[start\_at](https://docs.unified.to/calendar/event/model.md)[status](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:

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

#### CALENDAR LINK

End-API object:

 booking\_calendar

Unified API Methods:

[List](https://docs.unified.to/calendar/link/List%5Fall%5Flinks.md)[Get](https://docs.unified.to/calendar/link/Retrieve%5Fa%5Flink.md)

List options:

limitoffsetuser\_id

Readable fields:

[description](https://docs.unified.to/calendar/link/model.md)[duration](https://docs.unified.to/calendar/link/model.md)[id](https://docs.unified.to/calendar/link/model.md)[is\_active](https://docs.unified.to/calendar/link/model.md)[name](https://docs.unified.to/calendar/link/model.md)[url](https://docs.unified.to/calendar/link/model.md)

Writable fields:

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

#### CRM CONTACT

End-API object:

 contact

Unified API Methods:

[List](https://docs.unified.to/crm/contact/List%5Fall%5Fcontacts.md)[Get](https://docs.unified.to/crm/contact/Retrieve%5Fa%5Fcontact.md)[Create](https://docs.unified.to/crm/contact/Create%5Fa%5Fcontact.md)[Update](https://docs.unified.to/crm/contact/Update%5Fa%5Fcontact.md)[Remove](https://docs.unified.to/crm/contact/Remove%5Fa%5Fcontact.md)

Webhooks:

 Virtual

List options:

limitoffsetqueryupdated\_gte

Readable fields:

[address](https://docs.unified.to/crm/contact/model.md)[company](https://docs.unified.to/crm/contact/model.md)[created\_at](https://docs.unified.to/crm/contact/model.md)[emails](https://docs.unified.to/crm/contact/model.md)[first\_name](https://docs.unified.to/crm/contact/model.md)[id](https://docs.unified.to/crm/contact/model.md)[last\_name](https://docs.unified.to/crm/contact/model.md)[metadata](https://docs.unified.to/crm/contact/model.md)[name](https://docs.unified.to/crm/contact/model.md)[telephones](https://docs.unified.to/crm/contact/model.md)[title](https://docs.unified.to/crm/contact/model.md)[updated\_at](https://docs.unified.to/crm/contact/model.md)

Writable fields:

[emails](https://docs.unified.to/crm/contact/model.md)[address](https://docs.unified.to/crm/contact/model.md)[company](https://docs.unified.to/crm/contact/model.md)[first\_name](https://docs.unified.to/crm/contact/model.md)[last\_name](https://docs.unified.to/crm/contact/model.md)[metadata](https://docs.unified.to/crm/contact/model.md)[name](https://docs.unified.to/crm/contact/model.md)[telephones](https://docs.unified.to/crm/contact/model.md)[title](https://docs.unified.to/crm/contact/model.md)

 required fields 

#### HRIS EMPLOYEE

End-API object:

 user

Unified API Methods:

[List](https://docs.unified.to/hris/employee/List%5Fall%5Femployees.md)[Get](https://docs.unified.to/hris/employee/Retrieve%5Fan%5Femployee.md)

List options:

limitoffsetquery

Readable fields:

[emails](https://docs.unified.to/hris/employee/model.md)[employee\_roles](https://docs.unified.to/hris/employee/model.md)[first\_name](https://docs.unified.to/hris/employee/model.md)[groups](https://docs.unified.to/hris/employee/model.md)[id](https://docs.unified.to/hris/employee/model.md)[last\_name](https://docs.unified.to/hris/employee/model.md)[name](https://docs.unified.to/hris/employee/model.md)[timezone](https://docs.unified.to/hris/employee/model.md)

Writable fields:

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

#### HRIS GROUP

End-API object:

 team

Unified API Methods:

[List](https://docs.unified.to/hris/group/List%5Fall%5Fgroups.md)[Get](https://docs.unified.to/hris/group/Retrieve%5Fa%5Fgroup.md)

List options:

limitoffsetuser\_id

Readable fields:

[id](https://docs.unified.to/hris/group/model.md)[name](https://docs.unified.to/hris/group/model.md)

Writable fields:

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

#### 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)