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OnceHub integration

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Overview

Company website:

https://www.oncehub.com/

Integration launch date:

October 7, 2026

API Categories:

Calendar & Meetings CRM HR & Directory Authentication Passthrough

API Authorization:

API Key

CALENDAR EVENT

End-API object:

booking

Unified API Methods:

List Get Remove

Webhooks:

Virtual Native

List options:

calendar_id end_lt limit offset start_gte updated_gte user_id

Readable fields:

attendees calendar_id conference created_at end_at id location notes start_at status subject timezone updated_at web_url

Writable fields:

CALENDAR LINK

End-API object:

booking_calendar

Unified API Methods:

List options:

limit offset user_id

Readable fields:

description duration id is_active name url

Writable fields:

CRM CONTACT

End-API object:

contact

Unified API Methods:

List Get Create Update Remove

Webhooks:

Virtual

List options:

limit offset query updated_gte

Readable fields:

address company created_at emails first_name id last_name metadata name telephones title updated_at

Writable fields:

emails address company first_name last_name metadata name telephones title

required fields

HRIS EMPLOYEE

End-API object:

user

Unified API Methods:

List options:

limit offset query

Readable fields:

emails employee_roles first_name groups id last_name name timezone

Writable fields:

HRIS GROUP

End-API object:

team

Unified API Methods:

List options:

limit offset user_id

Readable fields:

Writable fields:

PASSTHROUGH

Unified API Methods:

POST GET PUT DELETE

List options:

Readable fields:

Writable fields:

Are we missing anything? Let us know

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