--- title: "Connect CalendarLink to Lob - APIANT.ai" description: "When \"New Upcoming Event\" fires in CalendarLink, your agent runs \"Create Address\" in Lob." canonical: "https://apiant.ai/connect/calendarlink-to-lob" --- # Connect CalendarLink to Lob When **New Upcoming Event** fires in [CalendarLink](https://apiant.ai/connections/calendarlink), your agent runs **Create Address** in [Lob](https://apiant.ai/connections/lob). Describe the whole flow and it is built, tested on every scenario and kept running. CalendarLink **1** trigger CalendarLink **8** actions Lob **40** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want CalendarLink and Lob 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. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What CalendarLink can start in Lob - When **New Upcoming Event** in CalendarLink then **Create Address** in Lob - When **New Upcoming Event** in CalendarLink then **Create Bank Account** in Lob 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 CalendarLink and Lob ## Triggers and actions 1 trigger · 48 actions - Trigger **New Upcoming Event** Triggered when a new upcoming event is added to your CalendarLink organisation. - Action **Create New Event** Creates an event in a CalendarLink collection and returns its add-to-calendar link. Times use the format 2026-09-01 09:00:00. Optionally turns on RSVP with a deadline, attendee limit and notification settings. - Action **Find Event** Searches your CalendarLink events for one whose title contains the text you give, and returns the first match with its add-to-calendar link, times and RSVP counts. - Action **List Contacts** Returns a page of the contacts in your CalendarLink organisation, 15 per page, along with how many pages there are. - Action **List Event Collections** Returns every event collection in your CalendarLink organisation, with each collection's ID, name, description, public link and event count. - Action **List Event Registrations** Returns a page of the people who signed up for one CalendarLink event, 15 per page. The event must have RSVP turned on. - Action **List Past Events** Returns a page of your CalendarLink events that have already finished, 15 per page, newest first. - Action **List Upcoming Events** Returns a page of your CalendarLink events that have not happened yet, 15 per page. - Action **Update Event Collection** Changes the settings of one CalendarLink event collection — its name, description, appearance, what visitors can add and whether sign-up is required. Only the fields you fill in are changed; the rest keep their current values. - Action **Autocomplete US Address** Suggests complete US street addresses from the first part of one a person has typed, so an address field can autocomplete as they type. - Action **Bulk Verify International Addresses** Checks a batch of non-US addresses at once and returns each one standardized, with whether it is deliverable. - Action **Cancel Check** Cancels a check in Lob so it is not mailed. Only works while the check is still in the pre-print window. - Action **Cancel Letter** Cancels a letter in Lob so it is not mailed. Only works while the letter is still in the pre-print window. - Action **Cancel Postcard** Cancels a postcard in Lob so it is not mailed. Only works while the postcard is still in the pre-print window. - Action **Create Address** Saves an address in your Lob address book so you can reuse it as a sender or recipient on later mailings. - Action **Create Bank Account** Saves a bank account in Lob so you can send checks from it. Returns the new bank account's ID and whether it has been verified yet. - Action **Create Template** Saves a reusable HTML template in Lob that letters, postcards and checks can be built from. Returns the new template's ID and its published version. - Action **Delete Address** Deletes a saved address from Lob. Returns the deleted address's ID. - Action **Delete Bank Account** Deletes a saved bank account from Lob. Returns the deleted bank account's ID. - Action **Delete Template** Deletes an HTML template from Lob. Returns the deleted template's ID. - Action **Get Address** Returns one saved address from Lob by its ID, including the recipient details and any name/value pairs stored on it. - Action **Get Bank Account** Returns one saved bank account from Lob by its ID, including whether it has been verified. - Action **Get Check** Returns one check from Lob by its ID, including its amount, status and delivery tracking events. - Action **Get Letter** Returns one letter from Lob by its ID, including its status, addresses and delivery tracking events. - Action **Get Postcard** Returns one postcard from Lob by its ID, including its status, addresses and delivery tracking events. - Action **Get Template** Returns one HTML template from Lob by its ID, including its published version and version history. - Action **List Addresses** Returns the saved addresses in your Lob address book, newest first, with cursors for paging through more. - Action **List Bank Accounts** Returns the bank accounts saved in your Lob account, newest first, with cursors for paging through more. - Action **List Booklets** Returns the booklets you have created in Lob, newest first, with cursors for paging through more. - Action **List Campaigns** Returns the direct-mail campaigns in your Lob account, newest first, with cursors for paging through more. - Action **List Checks** Returns the checks you have sent through Lob, newest first, with cursors for paging through more. - Action **List Informed Delivery Campaigns** Returns the USPS Informed Delivery campaigns in your Lob account, newest first, with cursors for paging through more. - Action **List Letters** Returns the letters you have sent through Lob, newest first, with cursors for paging through more. - Action **List Postcards** Returns the postcards you have sent through Lob, newest first, with cursors for paging through more. - Action **List QR Code Analytics** Returns the QR code scans recorded on your Lob mailpieces — who scanned, when, and how many times — plus the overall scan total. - Action **List Snap Packs** Returns the snap packs you have sent through Lob, newest first, with cursors for paging through more. - Action **List Templates** Returns the saved HTML templates in your Lob account, newest first, with cursors for paging through more. - Action **List Uploads** Returns the recipient-list uploads in your Lob account, optionally narrowed to one campaign. - Action **Look Up ZIP Code** Looks up a US ZIP code and returns the cities, states and counties it covers, plus the USPS ZIP code type. - Action **Reverse Geocode Lookup** Takes a latitude and longitude and returns the nearest US ZIP codes with their city, state and distance from that point. - Action **Send Check** Prints and mails a physical check drawn on your Lob bank account to the recipient address you name. - Action **Send Letter** Prints and mails a letter to the recipient address you name, from a PDF, an HTML body, or a saved Lob template. - Action **Send Postcard** Prints and mails a postcard to the recipient address you name, using front and back artwork from a URL, HTML, or a saved Lob template. - Action **Update Template** Changes an existing Lob HTML template - its description, or which saved version is the live one. Anything you leave blank is left as it was. - Action **Validate Recipient Identity** Checks whether a person or company name is actually associated with a US address, and returns a confidence level and match score. - Action **Verify Bank Account** Confirms a Lob bank account by submitting the two micro-deposit amounts, so the account can be used to send checks. - Action **Verify International Address** Checks a non-US address, standardizes it, and tells you whether mail sent there is likely to be delivered. - Action **Verify Single Line US Address** Checks a US address given as one single line, standardizes it, and tells you whether mail sent there is deliverable. - Action **Verify US Address** Checks a US address, standardizes it to USPS format, and tells you whether mail sent there is deliverable. ## Each app on its own - [ **CalendarLink** CalendarLink creates add-to-calendar links to any calendar service and make sure your users don't forget...](https://apiant.ai/connections/calendarlink) - [ **Lob** Lob makes it easy to seamlessly print and mail letters, postcards, photos, posters and more via a web API.](https://apiant.ai/connections/lob) Reviews ## What our customers say ## More from CalendarLink - [ **CalendarLink to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/calendarlink-to-stripe) - [ **CalendarLink to PandaDoc** PandaDoc helps you build and deliver sales quotes and proposals and track presentations and close deals...](https://apiant.ai/connect/calendarlink-to-pandadoc) - [ **CalendarLink to Honeyhive** Observability and evaluation platform for tracing, testing, and monitoring AI agents in production.](https://apiant.ai/connect/calendarlink-to-honeyhive) - [ **CalendarLink to keycdn IP Location Finder** Get the IP geolocation data through the simple REST API. All the responses are JSON encoded](https://apiant.ai/connect/calendarlink-to-keycdn-ip-location-finder) - [ **CalendarLink to Kiwili** ERP & online account management software for your small business](https://apiant.ai/connect/calendarlink-to-kiwili) - [ **CalendarLink to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/calendarlink-to-hubspot) ## More into Lob - [ **Smsmobileapi to Lob** Smsmobileapi is a tool that uses your own mobile to send and receive SMS, track missed, incoming and...](https://apiant.ai/connect/smsmobileapi-to-lob) - [ **HubSpot to Lob** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-lob) - [ **Salesforce to Lob** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-lob) - [ **Slack to Lob** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-lob) - [ **Google Sheets to Lob** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-lob) - [ **Gmail to Lob** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-lob) Questions ## CalendarLink and Lob, answered ### ### What can start an automation from CalendarLink? Any of CalendarLink's 1 trigger in the catalog, including New Upcoming Event. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Lob when something happens in CalendarLink? Any of Lob's 40 actions, including Create Address, Create Bank Account, Create Template and Send Check. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Lob to CalendarLink? Lob has no triggers in the catalog today, so automations start in CalendarLink. If you need the other direction, ask: your agent reads Lob's API documentation and adds it. ### ### Do I have to build a connector for CalendarLink or Lob? 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 CalendarLink and Lob 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.