Generally Available: Updates to Gmail API usage quotas
A new tiering model with updates to API usage quotas will start to roll out. For more information, see Google Workspace standardized model for agent tools and APIs.
Generally Available: Quota units for drafts.get,
messages.attachments.get, messages.get, messages.trash, threads.get, and
threads.trash have changed.
Generally Available: Updates to Calendar API usage quotas
A new tiering model with updates to API usage quotas will start to roll out. For more information, see Google Workspace standardized model for agent tools and APIs.
Generally Available: Updates to Drive API usage quotas
A new tiering model with updates to API usage quotas will start to roll out. For more information, see Google Workspace standardized model for agent tools and APIs.
Generally Available: To help align resource usage in the Google Drive API, usage quotas will change to be measured in quota units instead of the number of requests. Additionally, Google Workspace users can now only egress 1 TB per day. For more information, see Google Drive API usage limits.
Fetched May 7, 2026