--- title: "Connect ActiveCampaign Postmark and Clearstream - APIANT.ai" description: "When \"New Bounce\" fires in ActiveCampaign Postmark, your agent runs \"Add Tag to Subscriber\" in Clearstream." canonical: "https://apiant.ai/connect/activecampaign-postmark-to-clearstream" --- # Connect ActiveCampaign Postmark and Clearstream When **New Bounce** fires in [ActiveCampaign Postmark](https://apiant.ai/connections/activecampaign-postmark), your agent runs **Add Tag to Subscriber** in [Clearstream](https://apiant.ai/connections/clearstream), or **New Incoming Text** in Clearstream to **Send an Email** in ActiveCampaign Postmark. Describe the whole flow and it is built, tested on every scenario and kept running. ActiveCampaign Postmark **6** triggers ActiveCampaign Postmark **13** actions Clearstream **2** triggers Clearstream **10** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want ActiveCampaign Postmark and Clearstream 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 ActiveCampaign Postmark and Clearstream can do together ### From ActiveCampaign Postmark to Clearstream - When **New Bounce** in ActiveCampaign Postmark then **Add Tag to Subscriber** in Clearstream - When **New Delivery** in ActiveCampaign Postmark then **Create List** in Clearstream ### From Clearstream to ActiveCampaign Postmark - When **New Incoming Text** in Clearstream then **Send an Email** in ActiveCampaign Postmark - When **New Subscriber** in Clearstream then **Send batch emails** in ActiveCampaign Postmark 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 ActiveCampaign Postmark and Clearstream ## Triggers and actions 8 triggers · 23 actions - Trigger **New Bounce** Triggers when an email sent through Postmark bounces. - Trigger **New Delivery** Triggers when Postmark confirms an email was accepted by a recipient's mail server (one event per recipient). - Trigger **New Email Open** Triggers when a recipient opens an email sent through Postmark with open tracking enabled. - Trigger **New Inbound Message** Triggers when an email arrives at the server's inbound address and Postmark parses it. - Trigger **New Link Click** Triggers when a recipient clicks a tracked link in an email for the first time. - Trigger **New Spam Complaint** Triggers when a recipient marks an email sent through Postmark as spam. - Action **Activate bounce** Reactivates an email address that Postmark deactivated because of a bounce, so it can receive email again. - Action **Add template** Creates a new email template (standard or layout) on your Postmark server. - Action **Delete template** Deletes an email template from your Postmark server by its ID or alias. - Action **Find bounces by criteria** Returns bounces on your Postmark server matching criteria such as bounce type, email address, tag, message, stream, or date range. - Action **Find outbound messages by criteria** Searches outbound email messages sent through your Postmark server by recipient, sender, tag, status, subject, date range or message stream. Returns up to 500 matching messages. - Action **Get bounce** Returns the details of a single bounce, including the bounced email address, bounce type, and whether the address can be reactivated. - Action **Get outbound message** Returns the full details of one sent email, including its bodies, recipients, status, metadata and delivery events. - Action **Get template** Returns a single email template, including its subject, HTML and text content, by its ID or alias. - Action **List templates** Returns the email templates on your Postmark server, optionally filtered by template type or layout. - Action **Send an Email** Sends a single email through your Postmark server. - Action **Send batch emails** Sends up to 500 emails in a single request and returns Postmark's per-message result for each. - Action **Send Email With Template** Sends an email rendered from one of your Postmark templates, filling it with the values you supply. - Action **Update template** Updates an existing Postmark template's name, subject, HTML or text content, alias, or layout. - Trigger **New Incoming Text** Triggers when a new incoming text is received in your Clearstream account. - Trigger **New Subscriber** Triggers when a new subscriber is added to your Clearstream account. - Action **Add Tag to Subscriber** Adds a tag to a subscriber in your Clearstream account. - Action **Create List** Creates a new subscriber list in your Clearstream account. - Action **Create Tag** Creates a new tag in your Clearstream account. - Action **Get Subscriber** Returns one Clearstream subscriber, looked up by mobile number, with their lists and tags. - Action **List Lists** Returns the subscriber lists in your Clearstream account, optionally filtered by name or locked status. - Action **List Tags** Returns the tags in your Clearstream account, optionally filtered by name. - Action **Opt-Out Subscriber** Opts a subscriber out of your Clearstream account so they no longer receive texts. - Action **Remove Subscriber From List** Removes a subscriber from one of your Clearstream lists. The subscriber stays opted in to your account. - Action **Send Text to Number** Sends a one-to-one text message to a single mobile number from your Clearstream account. - Action **Update Subscriber** Updates an existing Clearstream subscriber's name, email, lists or tags. ## Each app on its own - [ **ActiveCampaign Postmark** Postmark is specifically built to deliver your app's emails to the inbox, fast.](https://apiant.ai/connections/activecampaign-postmark) - [ **Clearstream** Clearstream is a two-way SMS communication tool for churches and non-profits.](https://apiant.ai/connections/clearstream) Reviews ## What our customers say ## More from ActiveCampaign Postmark - [ **ActiveCampaign Postmark to vPlan** vPlan is a planning tool to plan and track your work.](https://apiant.ai/connect/activecampaign-postmark-to-vplan) - [ **ActiveCampaign Postmark to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/activecampaign-postmark-to-hubspot) - [ **ActiveCampaign Postmark to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/activecampaign-postmark-to-salesforce) - [ **ActiveCampaign Postmark to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/activecampaign-postmark-to-slack) - [ **ActiveCampaign Postmark to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/activecampaign-postmark-to-google-sheets) - [ **ActiveCampaign Postmark to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/activecampaign-postmark-to-gmail) ## More into Clearstream - [ **ActiveCampaign to Clearstream** ActiveCampaign is a marketing automation, email marketing, and CRM platform.](https://apiant.ai/connect/activecampaign-to-clearstream) - [ **Airtable to Clearstream** Organize anything with Airtable, a modern database created for everyone.](https://apiant.ai/connect/airtable-to-clearstream) - [ **Asana to Clearstream** Asana is a collaborative information manager for workspace.](https://apiant.ai/connect/asana-to-clearstream) - [ **Brevo to Clearstream** Brevo is the leading CRM suite designed to cultivate long-term customer relationships and help businesses...](https://apiant.ai/connect/brevo-to-clearstream) - [ **Calendly to Clearstream** Calendly is a scheduling automation platform for eliminating the back-and-forth emails to find the perfect...](https://apiant.ai/connect/calendly-to-clearstream) - [ **Capsule CRM to Clearstream** Capsule is an online hosted CRM system for individuals, small businesses and sales teams wanting a simple...](https://apiant.ai/connect/capsule-crm-to-clearstream) Questions ## ActiveCampaign Postmark and Clearstream, answered ### ### What can start an automation from ActiveCampaign Postmark? Any of ActiveCampaign Postmark's 6 triggers in the catalog, including New Bounce, New Delivery, New Email Open and New Inbound Message. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Clearstream when something happens in ActiveCampaign Postmark? Any of Clearstream's 10 actions, including Create List, Create Tag, Send Text to Number and Update Subscriber. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Clearstream to ActiveCampaign Postmark? Yes. When something happens in Clearstream, your agent can act in ActiveCampaign Postmark too. This page covers both directions: Clearstream's triggers and ActiveCampaign Postmark's actions are listed here as well. ### ### Do I have to build a connector for ActiveCampaign Postmark or Clearstream? 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 ActiveCampaign Postmark and Clearstream 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.