--- title: "Connect Google Calendar to Zoho Inventory - APIANT.ai" description: "When \"Attendee Response Changed\" fires in Google Calendar, your agent runs \"Add Invoice Attachment\" in Zoho Inventory." canonical: "https://apiant.ai/connect/google-calendar-to-zoho-inventory" --- # Connect Google Calendar to Zoho Inventory When **Attendee Response Changed** fires in [Google Calendar](https://apiant.ai/connections/google-calendar), your agent runs **Add Invoice Attachment** in [Zoho Inventory](https://apiant.ai/connections/zoho-inventory). Describe the whole flow and it is built, tested on every scenario and kept running. Google Calendar **6** triggers Google Calendar **45** actions Zoho Inventory **64** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Google Calendar and Zoho Inventory to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. 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[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What Google Calendar can start in Zoho Inventory - When **Attendee Response Changed** in Google Calendar then **Add Invoice Attachment** in Zoho Inventory - When **Event Created** in Google Calendar then **Add Invoice Comment** in Zoho Inventory Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with Google Calendar and Zoho Inventory ## Triggers and actions 6 triggers · 109 actions - 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 **Acl Delete** Deletes an access control rule from a Google Calendar. Use when you need to remove sharing permissions for a user, group, or domain. - Action **Acl Get** Retrieves a specific access control rule for a calendar. Use when you need to check permissions for a specific user, group, or domain. - Action **Acl Insert** Creates an access control rule for a calendar. Use when you need to grant sharing permissions to a user, group, or domain. - Action **Acl List** 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 **Acl Patch** Updates an existing access control rule for a calendar using patch semantics (partial update). This allows modifying specific fields without affecting other properties. IMPORTANT: The ACL rule must already exist on the calendar. This action cannot create new rules. If you receive a 404 Not Found error, the rule does not exist - use ACL insert to create it first, or use ACL list to verify available rules. Each patch request consumes three quota units. For domain-type ACL rules, if PATCH fails with 500 error, this action will automatically fallback to UPDATE method. - Action **Acl Update** Updates an access control rule for the specified calendar. - Action **Acl Watch** Tool to watch for changes to ACL resources. Use when you need to set up real-time notifications for access control list modifications on a calendar. - Action **Batch Events** Execute up to 1000 event mutations (create/patch/delete) in one Google Calendar HTTP batch request with per-item status/results. Use this to materially reduce round-trips for bulk operations like migrations, cleanup, or large-scale updates. - Action **Calendar List Delete** Tool to remove a calendar from the user's calendar list. Use when you need to unsubscribe from or hide a calendar from the user's list. - Action **Calendar List Get** Retrieves metadata for a SINGLE specific calendar from the user's calendar list by its calendar ID. This action requires a calendarId parameter and returns details about that one calendar only. NOTE: This does NOT list all calendars. To list all calendars in the user's calendar list, use GOOGLECALENDAR_CALENDAR_LIST_LIST instead. - Action **Calendar List Insert** Inserts an existing calendar into the user's calendar list. - Action **Calendar List Patch** Updates an existing calendar on the user's calendar list using patch semantics. This method allows partial updates, modifying only the specified fields. - Action **Calendar List Update** Updates an existing entry on the user\'s calendar list. - Action **Calendar List Watch** Watch for changes to CalendarList resources using push notifications. Use this to receive real-time updates when calendar list entries are modified. - 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 **Channels Stop** Tool to stop watching resources through a notification channel. Use when you need to discontinue push notifications for a specific channel subscription. - Action **Create Calendar** Creates a new secondary Google Calendar with the specified title and optional settings. Use this action when you need to create a new calendar for organizing events separately from the primary calendar. The authenticated user becomes the owner of the newly created calendar. Optional parameters include description, location, and timezone. - 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 Get** Retrieves a SINGLE event by its unique event_id (REQUIRED). This action does NOT list or search events - it fetches ONE specific event when you already know its ID. If you want to list events within a time range, search for events, or filter by criteria like time_min/time_max, use GOOGLECALENDAR_EVENTS_LIST instead. - Action **Events Import** Tool to import an event as a private copy to a calendar. Use when you need to add an existing event to a calendar using its iCalUID. Only events with eventType='default' can be imported. - Action **Events Instances** Returns instances of the specified recurring event. - Action **Events List** Returns events on the specified calendar. - Action **Events List All Calendars** Return a unified event list across all calendars in the user's calendar list for a given time range. Use when you need a single view of all events across multiple calendars. An inverted or incorrect time range silently returns empty results rather than an error. An empty `items` list means no events matched the filters—adjust `time_min`, `time_max`, or `q` before concluding no events exist. - 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 Get** Tool to return a single user setting for the authenticated user. Use when you need to retrieve a specific calendar setting value. - 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 Credit Note Comment** Tool to add a comment to a credit note in Zoho Inventory. Use when needing to add notes or comments to a specific credit note for record-keeping or audit purposes. - Action **Add Invoice Attachment** Tool to upload an attachment to a specific invoice. Use when you need to add a file attachment to an invoice. - Action **Add Invoice Comment** Tool to add a comment to a specific invoice in Zoho Inventory. Use when you need to add notes, updates, or internal/client-visible comments to an invoice. - Action **Apply Credits To Invoices** Tool to apply credits from a credit note to one or more invoices. Use when you need to apply available credits from a credit note to settle invoice balances. - Action **Bulk Delete Sales Orders** Tool to bulk delete sales orders. Use this to remove multiple sales orders at once. - Action **Bulk Email Invoices** Sends multiple invoices by email to a contact in a single API call. Use this tool when you need to email up to 10 invoices at once to a customer. The invoices will be scheduled for delivery and the contact will receive individual emails for each invoice. If contact_id is not provided, the action will automatically fetch the customer_id from the first invoice and use that as the contact. - Action **Bulk Export Invoices** Tool to bulk export invoices as a single PDF. Use when you need to download multiple invoices in a single file for archiving or sharing. - Action **Bulk Print Invoices** Generate a consolidated PDF containing multiple invoices for printing or archiving. Use this tool to download one or more invoices as a single PDF document. The PDF can contain up to 25 invoices and is useful for bulk printing, record keeping, or sharing with customers. - Action **Bulk Print Packages** Tool to bulk print package slips as a consolidated PDF. Use when you need a PDF file of multiple package slips for printing or archiving. - Action **Create Bill** Tool to create a bill in Zoho Inventory. Use when a vendor supplies goods/services on credit and you need to track the amount owed. - Action **Create Contact** Tool to create a new contact (customer or vendor) in Zoho Inventory. Use when you need to add a new business relationship to your organization. - Action **Create Contact Person** Tool to create a contact person. Use when you need to add a new contact person to an existing contact in Zoho Inventory. - Action **Create Credit Note** Tool to create a new credit note in Zoho Inventory. Use when you need to issue a credit note to a customer for returns, refunds, or adjustments. - Action **Create Customer Payment** Tool to create a customer payment in Zoho Inventory. Use when recording a payment received from a customer against one or more invoices. - Action **Create Invoice** Tool to create a new invoice in Zoho Inventory. Use when you need to invoice a customer for products or services sold. - Action **Create Item** Tool to create a new item in Zoho Inventory. Use when you need to add a new product or service to your inventory catalog. - Action **Create Item Group** Tool to create an item group in Zoho Inventory. Use when you need to create a new item group with multiple items that share common attributes like size or color variations. - Action **Create Package** Tool to create a package for a sales order in Zoho Inventory. Use when you need to prepare items from a sales order for shipping. - Action **Create Purchase Order** Tool to create a purchase order in Zoho Inventory. Use when you need to order goods or services from a vendor. - Action **Create Sales Order** Tool to create a sales order in Zoho Inventory. Use when a customer places an order for products and you need to track the sale before invoicing. - Action **Deactivate Contact** Tool to mark a contact as inactive in Zoho Inventory. Use when you need to deactivate a contact without permanently deleting it. - Action **Deactivate Item** Tool to mark an item as inactive in Zoho Inventory. Use when you need to deactivate an item without permanently deleting it. - Action **Deactivate Item Group** Tool to mark an item group as inactive in Zoho Inventory. Use when you need to deactivate an item group and all its items without permanently deleting them. - Action **Delete Contact** Tool to delete a contact. Use when you need to remove an existing contact from your organization after confirming it is no longer needed. - Action **Delete Contact Person** Tool to delete a contact person. Use when you need to remove a contact person from your organization after confirming it is no longer needed. - Action **Delete Invoice** Tool to delete an invoice. Use when you need to remove an existing invoice that has no payments or credits applied. - Action **Delete Invoice Attachment** Tool to delete an invoice attachment. Use when you need to remove a file attached to an invoice. - Action **Delete Invoice Comment** Delete a specific comment from an invoice in Zoho Inventory. - Action **Delete Item** Tool to delete an item. Use when you need to remove an existing inventory item after confirming it is not referenced in any transactions. - Action **Delete Item Group** Tool to delete an item group. Use to remove an existing item group that is no longer needed. - Action **Delete Item Image** Tool to delete an image associated with an item. Use when you need to remove an item's image after ensuring it's no longer required. - Action **Delete Package** Tool to delete a package. Use when you need to remove an existing package created for a sales order. - Action **Delete Sales Order** Tool to delete a sales order. Use when you need to remove an existing sales order. - Action **Disable Payment Reminder** Tool to disable payment reminders for an invoice. Use when you want to stop automatic payment reminders for an invoice after it has been issued. - Action **Email Contact** Tool to email a contact in Zoho Inventory. Use when you need to send an email to a specific contact with a custom subject and body. - Action **Email Contact Statement** Tool to email a statement of transactions to a contact. Use when you need to send account statements to customers or vendors. - Action **Email Credit Note** Tool to email a credit note to customers. Use when you need to send a credit note via email to recipients. - Action **Email Invoice** Tool to email a specific invoice to customers. Use when you need to send an invoice via email, with optional attachments. - Action **Enable Invoice Payment Reminder** Tool to enable payment reminders for an invoice. Use when you want to activate automatic payment reminders for an invoice after it has been issued. - Action **Get Contact** Tool to retrieve a specific contact by ID from Zoho Inventory. Use when you need to get detailed information about a customer or vendor contact. - Action **Get Contact Address** Tool to get contact address. Use when you need to retrieve address information for a specific contact. - Action **Get Credit Note** Tool to retrieve a credit note by ID. Use when you need to fetch detailed information about a specific credit note. - Action **Get Credit Note Email Content** Tool to get credit note email content including subject, body, recipients, and available templates. Use when you need to preview or retrieve the email content for a credit note before sending it. - Action **Get Current User** Tool to get details of the currently authenticated user in Zoho Inventory. Use when you need to retrieve user profile information, permissions, or validate the authenticated user. - Action **Get Invoice** Retrieve the complete details of one existing invoice by invoice ID. - Action **Get Item** Retrieve the complete details of one existing inventory item by item ID. - Action **Get Package** Retrieve complete details for one existing package by ID. - Action **Get Purchase Order** Retrieve complete details for one existing purchase order by ID. - Action **Get Sales Order** Tool to retrieve the details of an existing sales order. Use when you need to get complete information about a sales order including line items, customer details, shipping information, and order status. - Action **Get Variant Opening Stock** Retrieve opening-stock configuration for one item variant. - Action **List Bills** Tool to list bills. Use when needing to fetch bills for an organization. - Action **List Contacts** Tool to list all contacts (customers and vendors) in Zoho Inventory. Use when needing to fetch contacts for an organization. - Action **List Credit Notes** Tool to list all credit notes. Use when needing to fetch credit notes for an organization. Supports filtering by status, customer, date, and other criteria. - Action **List Currencies** Tool to list all currencies configured in Zoho Inventory. Use when you need to retrieve available currencies, exchange rates, or identify the base currency for an organization. - Action **List Customer Payments** List customer payments for a Zoho Inventory organization. - Action **List Invoice Payments** Tool to list all payments received for a specific invoice. Use when you need to retrieve payment records for an invoice. - Action **List Invoices** Tool to list all invoices in Zoho Inventory. Use when you need to retrieve invoices for an organization. - Action **List Items** Tool to list all items in Zoho Inventory. Use when you need to retrieve inventory items for an organization. - Action **List Organizations** Tool to list all organizations the user has access to in Zoho Inventory. Use when you need to get organization IDs or view available organizations. This action does not require organization_id as a parameter. - Action **List Purchase Orders** Tool to list purchase orders. Use when needing to fetch purchase orders for an organization. - Action **List Sales Orders** Tool to list sales orders. Use when needing to fetch sales orders for an organization. - Action **Update Contact** Update editable details for one customer or vendor contact. - Action **Update Item** Update editable catalog details for one existing Zoho Inventory item. - Action **Update Variant Opening Stock** Update organization-level or location-level opening stock for one variant. ## Each app on its own - [ **Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connections/google-calendar) - [ **Zoho Inventory** Zoho Inventory helps businesses track stock, manage orders, and sync inventory across multiple sales...](https://apiant.ai/connections/zoho-inventory) Reviews ## What our customers say ## More from Google Calendar - [ **Google Calendar to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/google-calendar-to-hubspot) - [ **Google Calendar to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/google-calendar-to-salesforce) - [ **Google Calendar to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/google-calendar-to-slack) - [ **Google Calendar to Google Sheets** Google Sheets](https://apiant.ai/connect/google-calendar-to-google-sheets) - [ **Google Calendar to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/google-calendar-to-stripe) - [ **Google Calendar to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/google-calendar-to-shopify) ## More into Zoho Inventory - [ **HubSpot to Zoho Inventory** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-zoho-inventory) - [ **Salesforce to Zoho Inventory** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-zoho-inventory) - [ **Slack to Zoho Inventory** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-zoho-inventory) - [ **Google Sheets to Zoho Inventory** Google Sheets](https://apiant.ai/connect/google-sheets-to-zoho-inventory) - [ **Gmail to Zoho Inventory** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-zoho-inventory) - [ **Google Drive to Zoho Inventory** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-zoho-inventory) Questions ## Google Calendar and Zoho Inventory, answered ### ### What can start an automation from Google Calendar? Any of Google Calendar's 6 triggers in the catalog, including Attendee Response Changed, Event Created, Event Updated and Calendar Event Sync. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Zoho Inventory when something happens in Google Calendar? Any of Zoho Inventory's 64 actions, including Create Bill, Create Contact, Create Contact Person and Create Credit Note. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Zoho Inventory to Google Calendar? Zoho Inventory has no triggers in the catalog today, so automations start in Google Calendar. If you need the other direction, ask: your agent reads Zoho Inventory's API documentation and adds it. ### ### Do I have to build a connector for Google Calendar or Zoho Inventory? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### Can my AI client use Google Calendar and Zoho Inventory without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.