Blogs›Google›Calendar API Quotas and Developer Access
Google's evolution in providing developer access to its Calendar API, focusing on managing usage quotas and enhancing developer experience. Early efforts likely involved establishing the initial Calendar API and its associated quotas. Subsequent developments have focused on increasing these quotas to support broader adoption and more complex applications, as demonstrated by the significant increase in quota for Calendar API v3. This evolution now includes the ability to programmatically read and modify events, including updating event details, attendees, and recurrence rules, as well as handling event cancellations and responses.
8/23/2023
The Calendar API has been updated to make working locations programmatically readable and writable for eligible Workspace editions. This enables developers to synchronize user working locations with third-party tools, display working locations on other surfaces, and analyze working location patterns.
6/29/2017
This post introduces the ability to programmatically modify events using the Google Calendar API. It details how to update event details, attendees, and recurrence rules, as well as how to handle event cancellations and responses. This builds upon previous efforts to increase API quotas and enhance developer access, enabling more dynamic and interactive calendar integrations.
12/15/2015
Introduced the Calendar Resource API, enabling developers to programmatically manage calendar resources (e.g., rooms, equipment) and their availability. This expands the Calendar API's capabilities beyond personal event management to encompass broader resource scheduling.
9/15/2015
This post announces an increase in the quota for the Google Calendar API v3, specifically for creating and managing calendar events, invitations, and attendee responses. This enhancement aims to support a growing number of applications and users, enabling richer user experiences and more sophisticated integrations with the Calendar API.
6/23/2015
This post introduces the ability to attach Google Drive files to Calendar events using the Calendar API, enhancing the integration between Google Drive and Google Calendar for developers.
12/3/2014
This post announces a tenfold increase in the quota for Calendar API v3, significantly enhancing the capacity for developers to build and scale applications that interact with Google Calendar.
7/17/2014
This post announces the upgrade to Calendar API v3, which offers increased quotas and improved performance compared to previous versions. It encourages developers to migrate to the new version to benefit from these enhancements.
3/19/2014
This post announces a significant increase in the quota for the Google Calendar API v3, from 1000 to 10000 QPM (Queries Per Minute). It also highlights that the API now supports upgrading to v3, which offers improved performance and efficiency for API requests. The goal is to enable developers to build more sophisticated applications that require higher usage limits.
12/5/2013
This post details a change in the "all-following" behavior for recurring events in the Google Calendar API. Previously, modifying an "all-following" event would affect all subsequent occurrences of that recurring event. The change introduces a new behavior where modifying an "all-following" event will now only affect the specific instance being modified and all subsequent instances, rather than all future instances. This change is intended to provide more granular control over recurring event modifications.
7/24/2013
Introduced push notifications for the Google Calendar API, enabling the API to proactively notify applications of changes rather than relying on polling. This significantly improves efficiency and reduces load on both the API and client applications.
5/26/2009
This post introduces LuckyCal, a third-party application that utilizes the Google Calendar API to provide enhanced calendar management features. It highlights the API's capabilities for creating, updating, and deleting calendar events, and implicitly demonstrates the importance of API access and potential quota considerations for such integrations.
8/21/2007
Introduced Calendar Gadgets, a new feature allowing third-party applications to integrate directly into Google Calendar. This enables developers to embed their services and functionalities within the calendar interface, enhancing user experience and expanding the utility of Google Calendar.
4/19/2006
This post announces the initial release of the Google Calendar Data API, providing developers with programmatic access to Google Calendar data. It highlights the API's capabilities for creating, retrieving, updating, and deleting calendar events, and encourages developers to start building applications that leverage this functionality.