--- title: "Connect PostStack and Smartsheet - APIANT.ai" description: "When \"Contact Updated (instant)\" fires in PostStack, your agent runs \"Add row\" in Smartsheet, or \"New row\" in Smartsheet to \"Add a contact\" in PostStack." canonical: "https://apiant.ai/connect/poststack-to-smartsheet" --- # Connect PostStack and Smartsheet When **Contact Updated (instant)** fires in [PostStack](https://apiant.ai/connections/poststack), your agent runs **Add row** in [Smartsheet](https://apiant.ai/connections/smartsheet), or **New row** in Smartsheet to **Add a contact** in PostStack. Describe the whole flow and it is built, tested on every scenario and kept running. PostStack **7** triggers PostStack **31** actions Smartsheet **3** triggers Smartsheet **26** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want PostStack and Smartsheet 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 PostStack and Smartsheet can do together ### From PostStack to Smartsheet - When **Contact Updated (instant)** in PostStack then **Add row** in Smartsheet - When **New Contact (instant)** in PostStack then **Add row attachment** in Smartsheet ### From Smartsheet to PostStack - When **New row** in Smartsheet then **Add a contact** in PostStack - When **New sheet** in Smartsheet then **Add contacts to segment** in PostStack 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 PostStack and Smartsheet ## Triggers and actions 10 triggers · 57 actions - Trigger **Contact Deleted (instant)** Fires when a contact is deleted (event: contact.deleted). - Trigger **Contact Updated (instant)** Fires when a contact is updated (event: contact.updated). - Trigger **Email Bounced (instant)** Fires when an email bounces (event: email.bounced). - Trigger **Email Delivered (instant)** Fires when an email is delivered (event: email.delivered). - Trigger **New Contact (instant)** Fires when a contact is created (event: contact.created). - Trigger **New Inbound Email** Polls for newly received inbound emails. - Trigger **New Sent Email (instant)** Fires when an email is sent (event: email.sent). - Action **Add a broadcast** Create a new marketing broadcast. - Action **Add a contact** Create a new contact. - Action **Add a segment** Create a new manual contact segment. - Action **Add a template** Create a new email template. - Action **Add contacts to segment** Add contacts to an existing segment. - Action **Add suppression** Add an address to the suppression list. - Action **Cancel broadcast** Cancel an in-flight broadcast. - Action **Cancel email** Cancel a scheduled or queued email before it sends. - Action **Delete a contact** Delete a contact. - Action **Delete a template** Delete an email template. - Action **Get a contact** Fetch one contact by ID. - Action **Get a template** Fetch one email template by ID. - Action **Get broadcast** Retrieve one broadcast by its public id, including the HTML and text bodies that the list endpoint omits. - Action **Get email** Fetch one sent or queued email by ID. - Action **Get email events** Get the delivery event timeline for one email. - Action **Get inbound email** Fetch one received inbound email by ID. - Action **Import contacts** Bulk-import a CSV list of contacts. - Action **List broadcasts** List marketing broadcasts. - Action **List contacts** List contacts in the account. - Action **List emails** List sent, queued, and scheduled emails. - Action **List inbound emails** List emails received via inbound parsing. - Action **List segments** List contact segments. - Action **List suppressed addresses** List addresses on the suppression list. - Action **List templates** List email templates. - Action **Send an email** Send a transactional email through PostStack. - Action **Send broadcast** Start sending a broadcast to its recipients. - Action **Send emails in batch** Send up to 100 emails in a single request. - Action **Update a contact** Update an existing contact's fields. - Action **Update a template** Update an email template, creating a new version. - Action **Update email** Reschedule a queued email's send time. - Action **Validate email address** Check whether an email address is valid and deliverable. - Trigger **New row** Triggered when a new row is added to the specified sheet. Polls rows modified since the last check and emits new ones. - Trigger **New sheet** Triggered when a new sheet is created. Polls the list of sheets and emits newly seen ones. - Trigger **Updated row** Triggered when any row is updated in the specified sheet. Polls rows modified since the last check and emits updated ones. - Action **Add column** /sheets/{sheetId}/columns - add columns to a sheet. - Action **Add comment** /sheets/{sheetId}/discussions/{discussionId}/comments - add a comment to a discussion. - Action **Add discussion** Starts a new discussion on a sheet with a first comment, and returns the discussion. - Action **Add folder** /folders/{folderId}/folders or /home/folders - create a folder. - Action **Add home folder** Creates a folder at the top level of your Sheets home and returns it. - Action **Add row** Adds a new row to the specified sheet. Provide cells as an array of {columnId, value}. Set location to Top or Bottom. - Action **Add row attachment** /sheets/{sheetId}/rows/{rowId}/attachments - attach file or URL to a row. - Action **Add sheet** /sheets - create a sheet with columns. - Action **Copy row to another sheet** Copies a row from one sheet to another sheet. The placement of the cells in the destination sheet is determined by Smartsheet's logic. - Action **Copy sheet** /sheets/{sheetId}/copy - copy a sheet to a folder/workspace. - Action **Delete row** Deletes a row from a sheet given its Row ID. - Action **Delete row if deal does not exist in ActiveCampaign (Cisco)** Compares deals from ActiveCampaign with the Smartsheet 'ActiveCampaign Deal ID' column. Deletes rows whose deal ID is not present in the supplied list of existing ActiveCampaign deal IDs. Built from intent against Smartsheet API 2.0. - Action **Find rows** Searches for rows in a specified sheet containing the specified value (in any column). Returns zero or more row IDs. Use the 'Get row' action within a Loop to fetch each row's contents. - Action **Find rows by column value** Searches for rows in a specified sheet having the specified value in a specified column. Zero, one, or multiple row IDs may be returned. - Action **Find sheets by keyword** Returns the sheets that match the specified keyword. - Action **Find single row** Searches for a single row in a specified sheet matching the specified value (in any column). If zero or multiple rows are found, an error occurs. - Action **Find single row by column value** Searches for a single row in a specified sheet having the specified value in a specified column. If zero or multiple rows are found, an error occurs. - Action **Get discussion** Returns a sheet discussion with its title and comments. - Action **Get folder** Returns a folder with the folders and sheets directly inside it. - Action **Get row** Returns the column data for the specified row. An error occurs if the row is not found. - Action **Get sheet** Fetches a sheet by ID, including its columns and rows. An error occurs if the sheet is not found. - Action **List row attachments** Returns the attachments on a row of a Smartsheet sheet, such as files and links, with their names, types and addresses. - Action **Move row to another sheet** Moves a row from one sheet to another sheet. The placement of the cells in the destination sheet is determined by Smartsheet's logic. - Action **Two-way sync add or update a row** Creates or updates a row in a sheet. For use only with two-way sync triggers. If a Row ID is supplied the row is updated; otherwise a new row is added. - Action **Update row** Updates a row in a specified sheet. Provide the Row ID and cells as an array of {columnId, value}. - Action **Update sheet** /sheets/{sheetId} - update sheet properties (name, project settings). ## Each app on its own - [ **PostStack** EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics](https://apiant.ai/connections/poststack) - [ **Smartsheet** Smartsheet is a work execution platform for managing sheets, rows, and columns.](https://apiant.ai/connections/smartsheet) Reviews ## What our customers say ## More from PostStack - [ **PostStack to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/poststack-to-salesforce) - [ **PostStack to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/poststack-to-slack) - [ **PostStack to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/poststack-to-stripe) - [ **PostStack to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/poststack-to-shopify) - [ **PostStack to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/poststack-to-quickbooks-online) - [ **PostStack to Trello** Trello is a visual collaboration tool that organizes projects into boards, lists, and cards.](https://apiant.ai/connect/poststack-to-trello) ## More into Smartsheet - [ **Salesforce to Smartsheet** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-smartsheet) - [ **Mailchimp to Smartsheet** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-smartsheet) - [ **ServiceM8 to Smartsheet** ServiceM8 is a field service app and small business management platform for your computer, iPhone and iPad.](https://apiant.ai/connect/servicem8-to-smartsheet) - [ **HubSpot to Smartsheet** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-smartsheet) - [ **Slack to Smartsheet** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-smartsheet) - [ **Google Sheets to Smartsheet** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-smartsheet) Questions ## PostStack and Smartsheet, answered ### ### What can start an automation from PostStack? Any of PostStack's 7 triggers in the catalog, including Contact Updated (instant), New Contact (instant), New Inbound Email and New Sent Email (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Smartsheet when something happens in PostStack? Any of Smartsheet's 26 actions, including Update row, Update sheet, Add column and Add comment. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Smartsheet to PostStack? Yes. When something happens in Smartsheet, your agent can act in PostStack too. This page covers both directions: Smartsheet's triggers and PostStack's actions are listed here as well. ### ### Do I have to build a connector for PostStack or Smartsheet? 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 PostStack and Smartsheet 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.