Add Zoho Calendar to your AI agent

Delete an event, all following recurrences, or one recurrence instance using the latest ETag. Optional notification modes 1 and 2 immediately send deletion or cancellation notifications that cannot be recalled.

Remove specified attachments from an event using its full date/time data and latest ETag; the event itself remains.

Permanently delete a room resource from paid Zoho Resource Booking. This destructive, admin-only operation also permanently deletes every booking associated with the resource.

Permanently delete a feature from paid Zoho Resource Booking. This destructive operation requires Resource Booking administration permission. Zoho rejects the deletion with FEATURE_TAG_WITH_ROOMS while any room uses the feature; remove the feature from those rooms before retrying.

Download one event attachment. Zoho may redirect view mode before returning the file, and PNG files download in either mode.

Download one resource image by its opaque image ID, exact provider file name, and owning resource ID. Requires a paid Zoho Resource Booking plan.

Mark one room as a favorite for the connected user. This action requires a paid Zoho plan with Resource Booking enabled.

Return one room booking or a specified recurrence occurrence from paid Zoho Resource Booking. The connected account must have Resource Booking enabled.

Return one Resource Booking branch with its buildings and floors. This endpoint requires a paid Zoho plan with Resource Booking enabled.

Return full details for one calendar UID, including the documented default or primary aliases.

Return the connected user's Calendar preferences.

Return full details for one event or a specified recurrence instance.

Return one room from paid Zoho Resource Booking. Resource Booking must be enabled for the connected account. include_current_time strictly selects Zoho's bare resource or resource/current_time response variant.

Return organization-wide policy settings from paid Zoho Resource Booking. The connected account must have Resource Booking enabled and organization administrator access.

Return user preferences from paid Zoho Resource Booking. Omit user_id for the connected user's settings; querying another user requires organization administrator access.

Return one feature definition from paid Zoho Resource Booking. The connected account must have Resource Booking enabled.

Return strict date-keyed busy intervals for one room resource over an exact inclusive date range. This unpaginated endpoint requires a paid Zoho plan with Resource Booking enabled, and the range cannot exceed the booking duration configured by an administrator.

Return event-based or time-based free/busy data for one email and exact local-naive time range. This endpoint is not paginated.

Return bookings for selected rooms in a paid Zoho Resource Booking branch. This endpoint is not paginated and requires an inclusive MM/DD/YYYY start and end date, matching Zoho's official request example.

Return all branches from paid Zoho Resource Booking, including their buildings and floors. Resource Booking must be enabled for the connected account. Zoho documents this endpoint as an unpaginated bare list.

Return user and group sharing entries for one calendar.

Return calendars visible to the connected user, optionally by documented category and hidden status.

Return recurrence instances for one repeating event in a required range of at most 90 days. This endpoint is not paginated.

Return events in one calendar for a required range of at most 31 days. This endpoint is not paginated.

Return the connected user's favorite room resources from paid Zoho Resource Booking. Zoho returns the complete, unpaginated Resource array as a JSON-encoded string, which this action preserves exactly.

Return member RSVP statuses for one group attendee on an event.

Return the connected user's room bookings for an exact date range. This unpaginated action requires a paid Zoho plan with Resource Booking enabled and preserves Zoho's JSON-encoded resources and bookings strings exactly.

Return room resources and availability for a branch, optional building or floor, and an exact date/time range. This unpaginated endpoint requires a paid Zoho plan with Resource Booking enabled, and the date span cannot exceed the administrator-configured booking duration.

List user settings for at least one branch, building, or floor in paid Zoho Resource Booking. The connected account must have organization administrator access. Zoho documents this endpoint as unpaginated.

Return all feature definitions from paid Zoho Resource Booking. Resource Booking must be enabled for the connected account. Zoho documents this endpoint as an unpaginated bare list.

Return room resources for at least one branch, building, or floor. This endpoint requires a paid Zoho plan with Resource Booking enabled and is not paginated. Set include_current_time to select Zoho's resources/current_time response wrapper; otherwise the response is a bare resource array.

Move an event between personal or group calendars, optionally changing documented event details; shared and app calendars are unsupported and recurrence changes affect all occurrences. Notification modes 1 and 2 immediately send attendee or attendee-and-organizer notifications that cannot be recalled. To attach a file while moving, first call UPLOAD_EVENT_ATTACHMENT, then pass its returned ID in event_data.attach.file_ids.

Replace an event using complete date/time data and its latest ETag, without adding Zoho Meeting conferencing. Supplying event_data.attach.remove_attachment_ids permanently removes those attachments; DELETE_EVENT_ATTACHMENTS remains available for dedicated removal. Notification modes 1 and 2 immediately send attendee or attendee-and-organizer notifications that cannot be recalled. To add attachments, first call UPLOAD_EVENT_ATTACHMENT, then pass its returned IDs in event_data.attach.file_ids.

Remove one room from the connected user's favorites. This requires a paid Zoho plan with Resource Booking enabled. It only removes the favorite marker; it does not delete the resource or its bookings.

Update a room booking or selected recurrence occurrences in paid Zoho Resource Booking. Every update must include title, date/time, and resources. Attendee and group arrays apply participant changes rather than replacing the complete lists: omitted participants remain, and deleted=true removes one. Notification modes 1 and 2 immediately send attendee notifications that cannot be recalled. Room availability and administrator-configured booking range limits apply.

Update a branch or add or remove its buildings and floors in paid Zoho Resource Booking. The connected user must have Resource Booking administration permission. Removing a building or floor is permanent and can fail while the target is occupied or otherwise in use. Because this endpoint supports permanent removal, ordinary branch edits are also gated as irreversible.

Update one or more documented properties of an existing calendar.

Update a non-empty set of the connected user's documented Calendar preferences.

Supports add, edit, and revoke modes for one user or group calendar share; operation='delete' revokes access, so every call is pessimistically gated as destructive.

Partially update event fields or attendee data using exactly one documented payload. Supplying event_data.attach.remove_attachment_ids permanently removes those attachments; DELETE_EVENT_ATTACHMENTS remains available for dedicated removal. Notification modes 1 and 2 immediately send attendee or attendee-and-organizer notifications that cannot be recalled. To add attachments, first call UPLOAD_EVENT_ATTACHMENT, then pass its returned IDs in event_data.attach.file_ids.

Update a room, its feature assignments, or its visibility in paid Zoho Resource Booking. The connected user must have Resource Booking administration permission. Room image upload is not exposed because Zoho does not document the photo transport encoding; its paired image file name is therefore not settable either.

Update organization-wide booking limits in paid Zoho Resource Booking. The connected user must be a Zoho organization administrator.

Update user preferences in paid Zoho Resource Booking. By default this targets the connected user; supplying another user's user_id requires organization administrator access.

Rename or hide a feature in paid Zoho Resource Booking. The connected user must have Resource Booking administration permission, and the feature type cannot be changed.

Upload one file of at most 10,240 kB. This only uploads the file: next pass the returned fileId as file_ids in the attach object of CREATE_EVENT, UPDATE_EVENT, REPLACE_EVENT, or MOVE_EVENT to associate it with an event.