---
title: "Custom Booking Calendar Integrations With Webhooks And APIs"
description: "The OnceHub API and webhook features empower developers and technically skilled users to create custom integrations for Booking Calendars, allowing seamless ..."
url: "https://help.staticso2.com/account-integrations/automation/api-and-webhooks/custom-booking-calendar-integrations-with-webhooks-and-apis"
---

The OnceHub API and webhook features empower developers and technically skilled users to create custom integrations for **Booking Calendars**, allowing seamless integration with third-party applications and services.

[Custom Booking Calendar Integrations With Webhooks And APIs](https://www.youtube-nocookie.com/embed/k4yvYI5_sf0?wmode=opaque)

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## OnceHub API

[Section titled “OnceHub API”](#oncehub-api)

The OnceHub API provides direct and reliable access to your booking data, enabling advanced integrations. With the API, you can:

* **Access Booking Details:** Retrieve information such as meeting times, guest details, and locations.
* **Retrieve Booking Calendars:** Obtain a list of all your **Booking Calendars** for management or reporting.
* **Manage the Meeting Lifecycle:** Create or cancel meetings programmatically to maintain control over bookings.
* **Generate One-Time Links:** Create unique booking links for specific use cases.
* **Pre-Populate Booking Forms:** Use URL parameters to fill in guest details automatically for a faster booking process.

For more details, see our [**API Key Security & Management**](https://help.staticso2.com/account-integrations/automation/api-key-security-management) article or visit our[ **OnceHub Developer Center**](https://developers.oncehub.com/docs/overview/authentication/).

***

## Webhooks

[Section titled “Webhooks”](#webhooks)

Webhooks provide automatic data delivery whenever a booking lifecycle event occurs, such as a new meeting, reschedule, or cancellation.

**Examples of What You Can Do with Webhooks:**

* **Send Guest Details:** Automatically transmit guest details to your server when a booking is made.
* **Integrate with Other Systems:** Support integrations with applications, services, or data warehouses to streamline and automate processes.

For more details, see our [**Creating and Managing Webhooks via OnceHub**](https://help.staticso2.com/account-integrations/automation/creating-and-managing-webhooks-via-oncehub) article or visit our[ **Webhooks documentation**](https://developers.oncehub.com/docs/webhooks/introduction-to-webhooks/).

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## Why Use APIs and webhooks?

[Section titled “Why Use APIs and webhooks?”](#why-use-apis-and-webhooks)

Custom integrations using the OnceHub API, webhooks, enhance flexibility and functionality, enabling you to do things like:

* Add full scheduling capabilities to your apps or agents
* Automation of marketing and sales campaigns
* Automation of customer support workflows
* Reporting and analysis of activity
* Integrate event triggers into workflows
* Develop custom CRM integrations