--- title: "Connect PostHog to Mailtrap - APIANT.ai" description: "When \"Action Performed\" fires in PostHog, your agent runs \"Add Contact field\" in Mailtrap." canonical: "https://apiant.ai/connect/posthog-to-mailtrap" --- # Connect PostHog to Mailtrap When **Action Performed** fires in [PostHog](https://apiant.ai/connections/posthog), your agent runs **Add Contact field** in [Mailtrap](https://apiant.ai/connections/mailtrap). Describe the whole flow and it is built, tested on every scenario and kept running. PostHog **1** trigger PostHog **9** actions Mailtrap **17** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want PostHog and Mailtrap 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 PostHog can start in Mailtrap - When **Action Performed** in PostHog then **Add Contact field** in Mailtrap - When **Action Performed** in PostHog then **Add Contact list** in Mailtrap 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 PostHog and Mailtrap ## Triggers and actions 1 trigger · 26 actions - Trigger **Action Performed** Triggers when an action is performed by a user. - Action **Add annotation** Create a new annotation on the project timeline (content, date_marker, scope). - Action **Capture Event** Captures an event. - Action **Evaluate feature flags** Evaluate all feature flag values for a given distinct_id/person, returning flag states for use in automation branching. - Action **Get person** Retrieve a single person by ID. - Action **List annotations** List annotations in the project. - Action **List cohorts** List cohorts defined in the project. - Action **List feature flags** List feature flags defined in the project. - Action **List insights** List saved insights (charts/graphs) in the project. - Action **List persons** List/search persons in the project, optionally filtered by distinct_id or properties. - Action **Add Contact field** Creates a new custom contact field in Mailtrap Email Marketing. An account can have up to 40 contact fields. - Action **Add Contact list** Creates a new contact list in Mailtrap Email Marketing. - Action **Add Email campaign** Create a new email marketing campaign. - Action **Delete Contact** Deletes a Mailtrap contact by its ID (UUID) or email address. - Action **Delete Contact list** Deletes an existing contact list. - Action **Delete Email campaign** Delete an email campaign by ID. - Action **Delete Suppression** Remove a suppression record by ID so the address can receive email again. - Action **Get Contact** Fetch a single contact by ID or email. - Action **Get Contact list** Fetch a single contact list by ID. - Action **Get Email campaign** Fetch a single email campaign by ID. - Action **Get Lists** Returns all contact lists in the Mailtrap account, optionally filtered by a name prefix. - Action **List Contact fields** Lists every contact field (built-in and custom) defined in the Mailtrap account. - Action **List Contacts** Returns the account's contacts, optionally filtered by contact list, subscription status, or email text. - Action **Send Email** Sends an email via Mailtrap - Action **Update Contact** Allows you to update Contact in Mailtrap - Action **Update Contact list** Rename/update a contact list. - Action **Update Email campaign** Update an existing email campaign's content or settings. ## Each app on its own - [ **PostHog** PostHog is the single platform for building successful products.](https://apiant.ai/connections/posthog) - [ **Mailtrap** Mailtrap lets you to send an email to your recipients and see stats about it.](https://apiant.ai/connections/mailtrap) Reviews ## What our customers say ## More from PostHog - [ **PostHog to Alchemy** Alchemy is a web3 development platform with the most powerful set of web3 development tools to build and...](https://apiant.ai/connect/posthog-to-alchemy) - [ **PostHog to Harness.io** Harness.io is an AI-native software delivery platform to automate CI/CD pipelines, manage feature flags, and...](https://apiant.ai/connect/posthog-to-harness-io) - [ **PostHog to Odoo CRM** Odoo is a powerful open source platform with dozens of apps to help you grow your business.](https://apiant.ai/connect/posthog-to-odoo-crm) - [ **PostHog to People Data Labs** People Data Labs is a data API that lets you enrich your person and company records with resume, contact...](https://apiant.ai/connect/posthog-to-people-data-labs) - [ **PostHog to Photon** Photon is a integration to bring iMessage to your workflows and agents natively, to interfaces millions of...](https://apiant.ai/connect/posthog-to-photon) - [ **PostHog to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/posthog-to-slack) ## More into Mailtrap - [ **Postman to Mailtrap** Postman is a platform for building and testing APIs.](https://apiant.ai/connect/postman-to-mailtrap) - [ **HubSpot to Mailtrap** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailtrap) - [ **Salesforce to Mailtrap** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-mailtrap) - [ **Slack to Mailtrap** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-mailtrap) - [ **Google Sheets to Mailtrap** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-mailtrap) - [ **Gmail to Mailtrap** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailtrap) Questions ## PostHog and Mailtrap, answered ### ### What can start an automation from PostHog? Any of PostHog's 1 trigger in the catalog, including Action Performed. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Mailtrap when something happens in PostHog? Any of Mailtrap's 17 actions, including Send Email, Update Contact, Update Contact list and Update Email campaign. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Mailtrap to PostHog? Mailtrap has no triggers in the catalog today, so automations start in PostHog. If you need the other direction, ask: your agent reads Mailtrap's API documentation and adds it. ### ### Do I have to build a connector for PostHog or Mailtrap? 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 PostHog and Mailtrap 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.