Connect Google Calendar to Retell AI

Both apps 60Google Calendar 33Retell AI 27

• Trigger
  Attendee Response Changed

  Polling trigger that fires when any attendee's RSVP changes to accepted, declined, or tentative. Returns attendee info and current status.

• Trigger
  Calendar Event Sync

  Polling trigger that returns full event data including details, attendees, and metadata. For real-time notifications with basic info, use Calendar Event Changes (webhook).

• Trigger
  Event Canceled or Deleted

  Triggers when a Google Calendar event is cancelled or deleted. Returns minimal data: event_id, summary (if available), and cancellation timestamp.

• Trigger
  Event Created

  Polling trigger that fires when a new calendar event is created. Returns event ID, summary, start/end times, and organizer info.

• Trigger
  Event Starting Soon

  Triggers when a calendar event is within a configured number of minutes from starting. Returns event details, time remaining, attendees, and join links when available.

• Trigger
  Event Updated

  Triggers when an existing Google Calendar event is modified. Returns the event ID, change type, and the specific fields that changed with their previous and new values.

• Action
  Calendar List Insert

  Inserts an existing calendar into the user's calendar list.

• Action
  Calendar List Update

  Updates an existing entry on the user\'s calendar list.

• Action
  Calendars Delete

  Deletes a secondary calendar. use calendars.clear for clearing all events on primary calendars.

• Action
  Calendars Update

  Updates metadata for a calendar.

• Action
  Create Event

  Creates an event on a google calendar, needing rfc3339 utc start/end times (end after start) and write access to the calendar. by default, adds the organizer as an attendee unless exclude organizer is set to true.

• Action
  Delete Event

  Deletes a specified event by `event id` from a google calendar (`calendar id`); this action is idempotent and raises a 404 error if the event is not found.

• Action
  Duplicate Calendar

  Creates a new, empty google calendar with the specified title (summary).

• Action
  Events Instances

  Returns instances of the specified recurring event.

• Action
  Events List

  Returns events on the specified calendar.

• Action
  Events Move

  Moves an event to another calendar, i.e., changes an event's organizer.

• Action
  Events Watch

  Watch for changes to events resources.

• Action
  Find Event

  Finds events in a specified google calendar using text query, time ranges (event start/end, last modification), and event types; ensure `timemin` is not chronologically after `timemax` if both are provided.

• Action
  Find Free Slots

  Finds free/busy time slots in google calendars for specified calendars within a defined time range (defaults to the current day utc if `time min`/`time max` are omitted), enhancing busy intervals with event details; `time min` must precede `time max` if both are provided.

• Action
  Free Busy Query

  Returns free/busy information for a set of calendars.

• Action
  Get Calendar

  Retrieves a specific google calendar, identified by `calendar id`, to which the authenticated user has access.

• Action
  Get Current Date Time

  Gets the current date and time, allowing for a specific timezone offset.

• Action
  List Acl Rules

  Retrieves the list of access control rules (acls) for a specified calendar, providing the necessary 'rule id' values required for updating specific acl rules.

• Action
  List Calendars

  Retrieves calendars from the user's google calendar list, with options for pagination and filtering.

• Action
  Patch Calendar

  Partially updates (patches) an existing google calendar, modifying only the fields provided; `summary` is mandatory and cannot be an empty string, and an empty string for `description` or `location` clears them.

• Action
  Patch Event

  Updates specified fields of an existing event in a google calendar using patch semantics (array fields like `attendees` are fully replaced if provided); ensure the `calendar id` and `event id` are valid and the user has write access to the calendar.

• Action
  Quick Add

  Parses natural language text to quickly create a basic google calendar event with its title, date, and time, suitable for simple scheduling; does not support direct attendee addition or recurring events, and `calendar id` must be valid if not 'primary'.

• Action
  Remove Attendee

  Removes an attendee from a specified event in a google calendar; the calendar and event must exist.

• Action
  Settings List

  Returns all user settings for the authenticated user.

• Action
  Settings Watch

  Watch for changes to settings resources.

• Action
  Sync Events

  Synchronizes google calendar events, performing a full sync if no `sync token` is provided or if a 410 gone error (due to an expired token) necessitates it, otherwise performs an incremental sync for events changed since the `sync token` was issued.

• Action
  Update Acl Rule

  Updates an access control rule for the specified calendar.

• Action
  Update Event

  Updates an existing event by `event id` in a google calendar; this is a full put replacement, so provide all desired fields as unspecified ones may be cleared or reset.

• Action
  Add Agent

  Create a new Retell AI voice agent attached to a response engine (Retell LLM, custom LLM, or conversation flow) and a voice.

• Action
  Create Knowledge Base

  Create a new Retell AI knowledge base from texts, URLs and/or a file.

• Action
  Create Retell LLM

  Create a new Retell LLM Response Engine that can be attached to an agent. This is used to generate response output for the agent.

• Action
  Delete Agent

  Deletes an existing Retell AI agent, including all of its versions.

• Action
  Delete Knowledge Base

  Delete an existing knowledge base.

• Action
  Delete Phone Number

  Delete a phone number from your Retell AI account.

• Action
  Delete Retell LLM

  Delete a Retell LLM response engine.

• Action
  Get a Call

  Retrieves the full details of a Retell AI call (phone or web): status, transcript, recording links, post-call analysis, cost and latency.

• Action
  Get an Agent

  Retrieve the full configuration of a Retell AI voice agent.

• Action
  Get a Phone Number

  Retrieve the details of one phone number in your Retell AI account, including its bound agents, nickname and webhook settings.

• Action
  Get a Retell LLM

  Retrieve the details of a Retell LLM response engine, including its prompt, model, tools and states.

• Action
  Get a Voice

  Retrieve the details of a single Retell AI voice: its name, provider, accent, gender, age and a preview audio link.

• Action
  Get Concurrency

  Gets your Retell AI organization's current number of ongoing calls and its concurrency limits.

• Action
  Get Knowledge Base

  Retrieve the details of a knowledge base, including its processing status and sources.

• Action
  Import Phone Number

  Import a phone number from your own telephony provider (for example a Twilio elastic SIP trunk) into Retell AI and optionally bind agents to it.

• Action
  List Agents

  Lists the voice and chat agents in the Retell AI account, optionally filtered by channel or by a name/id search.

• Action
  List Calls

  List calls in the Retell AI account, newest first by default, optionally filtered by agent, status, direction, numbers, time range and more. Returns up to 1000 calls; transcripts and recording URLs are not included (use Get a Call for those).

• Action
  List Knowledge Bases

  List all knowledge bases in the Retell AI account.

• Action
  List Phone Numbers

  Lists the phone numbers in your Retell AI account (up to 1000).

• Action
  List Retell LLMs

  Lists the Retell LLM response engines in the account.

• Action
  List Voices

  List all voices available to the Retell AI account.

• Action
  Make a Phone Call

  Start a new outbound phone call from one of your Retell numbers, handled by a Retell voice agent.

• Action
  Register Phone Call

  Register a phone call placed through your own (custom) telephony, so Retell issues a call id your telephony can connect the audio to.

• Action
  Update Agent

  Updates an existing Retell AI voice agent's latest draft version. Only the fields you fill in are changed.

• Action
  Update Call

  Update the metadata, data storage setting or custom attributes of an existing Retell AI call.

• Action
  Update Phone Number

  Updates the agents, nickname, webhooks, country restrictions, SIP trunk and fallback settings of a phone number in Retell AI. Only the fields you fill in are changed.

• Action
  Update Retell LLM

  Update an existing Retell LLM response engine's configuration (prompt, model, etc).

No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.