--- title: "Connect Laposta to Poplar - APIANT.ai" description: "When \"A New Relation Has Been Added\" fires in Laposta, your agent runs \"Add Email to Do Not Mail List\" in Poplar." canonical: "https://apiant.ai/connect/laposta-to-poplar" --- # Connect Laposta to Poplar When **A New Relation Has Been Added** fires in [Laposta](https://apiant.ai/connections/laposta), your agent runs **Add Email 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. Laposta **3** triggers Laposta **2** 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 Laposta 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 Laposta can start in Poplar - When **A New Relation Has Been Added** in Laposta then **Add Email to Do Not Mail List** in Poplar - When **A Relation Has Been Edited** in Laposta then **Add Order** 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 Laposta and Poplar ## Triggers and actions 3 triggers · 9 actions - Trigger **A New Relation Has Been Added** Triggers when een new relation has been added to the list in your Laposta account. - Trigger **A Relation Has Been Edited** Triggers when a relation of your Laposta list has been edited. - Trigger **A Relation Has Been Removed** Triggers when a relation of your Laposta list has been removed. - Action **Add or Edit a Relation** Edit an existing relation, or add a new relation, in your Laposta list. - Action **Delete Relation** Delete an existing relation. - 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 - [ **Laposta** Send easy professional newsletters with Laposta.](https://apiant.ai/connections/laposta) - [ **Poplar** Poplar is a web platform for programmatically print and mail.](https://apiant.ai/connections/poplar) Reviews ## What our customers say ## More from Laposta - [ **Laposta to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/laposta-to-salesforce) - [ **Laposta to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/laposta-to-slack) - [ **Laposta to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/laposta-to-mailchimp) - [ **Laposta to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/laposta-to-stripe) - [ **Laposta to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/laposta-to-shopify) - [ **Laposta to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/laposta-to-quickbooks-online) ## 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 ## Laposta and Poplar, answered ### ### What can start an automation from Laposta? Any of Laposta's 3 triggers in the catalog, including A New Relation Has Been Added, A Relation Has Been Removed and A Relation Has Been Edited. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Poplar when something happens in Laposta? 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 Laposta? Poplar has no triggers in the catalog today, so automations start in Laposta. 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 Laposta 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 Laposta 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.