--- title: "Connect Handwrytten to Poplar - APIANT.ai" description: "When \"Address List\" fires in Handwrytten, your agent runs \"Add Address to Do Not Mail List\" in Poplar." canonical: "https://apiant.ai/connect/handwrytten-to-poplar" --- # Connect Handwrytten to Poplar When **Address List** fires in [Handwrytten](https://apiant.ai/connections/handwrytten), your agent runs **Add Address to Do Not Mail List** in [Poplar](https://apiant.ai/connections/poplar). Describe the whole flow and it is built, tested on every scenario and kept running. Handwrytten **1** trigger Handwrytten **7** actions Poplar **7** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Handwrytten and Poplar 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 Handwrytten can start in Poplar - When **Address List** in Handwrytten then **Add Address to Do Not Mail List** in Poplar - When **Address List** in Handwrytten then **Add Email to Do Not Mail List** in Poplar 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 Handwrytten and Poplar ## Triggers and actions 1 trigger · 14 actions - Trigger **Address List** Triggers when Recipient Addresses are needed. - Action **Add Order to Basket** Adds an order to a basket. If sending multiple cards at once, use this for each order, then check-out with Send Basket - Action **Create Contact** Creates a new address book entry for the Handwrytten address book. (Note: other zaps don't really use the address book, but the rest of Handwrytten does.). - Action **Create Custom Card** Creates a new custom 5x7 card with full bleed cover, using specified images, fonts, and logos. - Action **Empty Basket** Clears your basket. - Action **Find Contact** Finds a contact in your address book. - Action **Update Contact** Updates an entry in the Handwrytten address book. - Action **Upload Custom Image** Adds an image to Handwrytten for use in custom card designs. - Action **Add Address to Do Not Mail List** Adds a postal address to your Do Not Mail suppression list. - Action **Add Audience Member** Adds a user to an Audience - Action **Add Data Subject Request** Submit a CPRA data subject access or erasure request for one or more subject identities. - Action **Add Email to Do Not Mail List** Adds an Email Address to your Do Not Mail suppression list. - Action **Add Order** Report a new customer transaction/order for attribution reporting and existing-customer suppression. - Action **Add User ID to Do Not Mail List** Adds a User ID to your Do Not Mail suppression list. - Action **List Audiences** Return the list of audiences (suppression/mailing lists) attached to the organization. ## Each app on its own - [ **Handwrytten** Handwrytten is a way to automatically send real cards and notes written in pen and ink.](https://apiant.ai/connections/handwrytten) - [ **Poplar** Poplar is a web platform for programmatically print and mail.](https://apiant.ai/connections/poplar) Reviews ## What our customers say ## More from Handwrytten - [ **Handwrytten to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/handwrytten-to-hubspot) - [ **Handwrytten to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/handwrytten-to-salesforce) - [ **Handwrytten to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/handwrytten-to-slack) - [ **Handwrytten to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/handwrytten-to-mailchimp) - [ **Handwrytten to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/handwrytten-to-stripe) - [ **Handwrytten to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/handwrytten-to-shopify) ## More into Poplar - [ **MailerSend to Poplar** MailerSend is a powerful transactional email system built for developers but designed so non-tech teams can...](https://apiant.ai/connect/mailersend-to-poplar) - [ **HubSpot to Poplar** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-poplar) - [ **Salesforce to Poplar** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-poplar) - [ **Slack to Poplar** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-poplar) - [ **Google Sheets to Poplar** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-poplar) - [ **Gmail to Poplar** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-poplar) Questions ## Handwrytten and Poplar, answered ### ### What can start an automation from Handwrytten? Any of Handwrytten's 1 trigger in the catalog, including Address List. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Poplar when something happens in Handwrytten? Any of Poplar's 7 actions, including Add Address to Do Not Mail List, Add Audience Member, Add Data Subject Request and Add Email to Do Not Mail List. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Poplar to Handwrytten? Poplar has no triggers in the catalog today, so automations start in Handwrytten. If you need the other direction, ask: your agent reads Poplar's API documentation and adds it. ### ### Do I have to build a connector for Handwrytten or Poplar? 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 Handwrytten and Poplar 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.