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Announcing new Calendly APIs and Developer Portal

READ TIME: 5 MINUTES

Hilary Yeganegi, March 31, 2022

We’re excited to announce the launch of our newly designed and updated Developer Portal — a destination for all things Calendly API.

To help you get the most out of our APIs, the new Developer Portal has all the resources you need as a developer to build custom Calendly apps, including:

  • Up-to-date documentation

  • Use cases

  • Release notes

  • Support information

Now it’s easier for you to find the resources you need to integrate with Calendly. You can quickly build scheduling apps and embedded solutions with the available tools.

To get started building, visit the Developer Portal or reach out to developer support.

Calendly’s Developer Portal is your new destination for all things Calendly API.

What’s New?

Calendly’s integration set includes three API options to fit your needs: API v2, Embed API, and Webhook.

API v2

API v2 is Calendly’s current, actively maintained API. It’s REST-based with predictable resource-oriented URLs. You can retrieve Calendly links, sync scheduled meetings, manage users, and much more.

Seamlessly integrate Calendly into your product with API v2. You can choose to use OAuth 2.0 or personal access tokens based on who will use your application — many Calendly users via a public app, or your internal team.

With this new version, you’ll see:

  • A more secure way to connect and retrieve customers’ data

  • Additional endpoints to support more use cases

  • Ability to manage your organization with admin-level permissions

  • Partnership opportunities

Embed API

Embed is Calendly’s simpler, easy-to-use API option. Add a Calendly landing or booking page to your website by enabling one of three embed variations: inline, pop-up text, or pop-up widget. General and advanced embed options — including text and style customizations — are available across a variety of website providers including Wix, Shopify, Squarespace, Unbounce, WordPress, and more.

Webhook

The Calendly Webhook is a friendly, lightweight API that lets you automatically receive Calendly data with webhook subscriptions any time invitees schedule, cancel, or reschedule a meeting. With Webhooks, you can build integrated apps for your team or your customers. (Keep reading for examples!)

Calendly Webhooks allow you to automatically sync meeting data into your product

Why integrate with Calendly?

You, your team, and your users can always benefit from time-saving features and automations. Integrate with Calendly to deliver a modern and efficient scheduling tool.

A few benefits of integrating include:

  • Automate and trigger actions in real-time within your product: Trigger automations within your app when invitees schedule, cancel, or reschedule events with our webhook subscription

  • Use Calendly data for insights on your team’s meeting habits: Track and report on scheduled events across your organization so you can act strategically based on analytics, such as time spent in meetings or numbers of meetings to reach a sale.

  • Share your meeting links directly from your product: Admins can easily share  booking page links from within your native product, so they never need to navigate away. Calendly links can be sent for the user triggering the link, or for specific team members who need to meet with certain individuals (for example, a sales rep who you want to meet with a specific lead).

When you integrate Calendly into your product, you can enhance your connected tech stack and integration offerings, leading to increased user retention and engagement. 

Typeform uses Calendly's OAuth connection to enable new users to sign-up directly from Typeform.

No tool can be the best at everything; allow your users to use the tools they want alongside yours. With our OAuth connection, your users who are new to Calendly can even create a Calendly account and start scheduling without ever leaving your product, making it stickier, eliminating drop-offs, and enhancing their user experience.

What can you build (and how will it help your day-to-day work life)?


With our APIs, you can quickly integrate Calendly’s scheduling functionality into your product, or customize and enhance how your team uses Calendly.

Some of our favorite integrations built with Calendly APIs include ActiveCampaign, Zapier, Make, Typeform, Pendo, and Greenhouse.

Here are some examples of what you can build:

  • An integration that pulls your users’ Calendly data into your product to store as incoming leads, prospects, or marketing contacts, like ActiveCampaign.

  • An app that triggers an additional action and automates processes (and more!). Some of our favorites are Zapier and Make.

  • An integration that lets your users embed a Calendly booking page within your product, like Typeform, Pendo or Kajabi.

  • An integration that lets a user trigger or send a Calendly booking link directly through your product, such as Greenhouse.

Example: How ActiveCampaign built and positions their Calendly integration

ActiveCampaign, the #1 automation platform specializing in marketing automation and CRM, built a native Calendly integration in 2019. 

Using our API, their integration allows their users to accelerate sales and marketing processes with automated meeting scheduling. 

To learn more read the ActiveCampaign customer story about how they identified the need to integrate with Calendly, how they did it, and their success.

"Using the Calendly APIs and associated documentation, we were able to build and launch an integration quickly — an integration that continues to grow in popularity, bringing additional automation capabilities through Calendly."

- Shay Howe, SVP Platform Strategy, ActiveCampaign

Ways to customize your team’s Calendly experience using APIs


In addition to building integrations, our APIs can customize how your internal team uses Calendly.

The possibilities are endless, but API-enabled customizations allow you to:

  • Pull incoming Calendly data and send out information to specific reps or agents based on predetermined constraints.

  • Build Calendly booking flows within your actual product, so you can streamline the tools your team uses.

  • Automatically pull and send Calendly links based on certain user actions. 

  • Add unique visual elements to your Calendly experience, such as displaying event type info where it would not normally appear. 

  • Enhance native integrations to better suit your needs.

What’s next?

Our APIs are available to the public for anyone with a Calendly account. A professional plan or higher is required to access and build to our Webhooks. 

Calendly has new improvements, integrations, and APIs planned for the near future, so stay tuned!

Visit our Developer Portal to subscribe to receive release notes for the latest news and get started building today.

Hilary Yeganegi biography
Hilary Yeganegi

Hilary is a Partner Marketing Manager with Calendly. She's based in Atlanta, Georgia.

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