--- title: "Connect ActiveCampaign Postmark to Retell AI - APIANT.ai" description: "When \"New Bounce\" fires in ActiveCampaign Postmark, your agent runs \"Add Agent\" in Retell AI." canonical: "https://apiant.ai/connect/activecampaign-postmark-to-retell-ai" --- # Connect ActiveCampaign Postmark to Retell AI When **New Bounce** fires in [ActiveCampaign Postmark](https://apiant.ai/connections/activecampaign-postmark), your agent runs **Add Agent** in [Retell AI](https://apiant.ai/connections/retell-ai). Describe the whole flow and it is built, tested on every scenario and kept running. ActiveCampaign Postmark **6** triggers ActiveCampaign Postmark **13** actions Retell AI **27** 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 Retell AI 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 can start in Retell AI - When **New Bounce** in ActiveCampaign Postmark then **Add Agent** in Retell AI - When **New Delivery** in ActiveCampaign Postmark then **Create Knowledge Base** in Retell AI 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 Retell AI ## Triggers and actions 6 triggers · 40 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. - Action **Add Agent** Create a new Retell AI voice agent attached to a response engine (Retell LLM, custom LLM, or conversation flow) and a voice. - Action **Create Knowledge Base** Create a new Retell AI knowledge base from texts, URLs and/or a file. - Action **Create Retell LLM** Create a new Retell LLM Response Engine that can be attached to an agent. This is used to generate response output for the agent. - Action **Delete Agent** Deletes an existing Retell AI agent, including all of its versions. - Action **Delete Knowledge Base** Delete an existing knowledge base. - Action **Delete Phone Number** Delete a phone number from your Retell AI account. - Action **Delete Retell LLM** Delete a Retell LLM response engine. - Action **Get a Call** Retrieves the full details of a Retell AI call (phone or web): status, transcript, recording links, post-call analysis, cost and latency. - Action **Get an Agent** Retrieve the full configuration of a Retell AI voice agent. - Action **Get a Phone Number** Retrieve the details of one phone number in your Retell AI account, including its bound agents, nickname and webhook settings. - Action **Get a Retell LLM** Retrieve the details of a Retell LLM response engine, including its prompt, model, tools and states. - Action **Get a Voice** Retrieve the details of a single Retell AI voice: its name, provider, accent, gender, age and a preview audio link. - Action **Get Concurrency** Gets your Retell AI organization's current number of ongoing calls and its concurrency limits. - Action **Get Knowledge Base** Retrieve the details of a knowledge base, including its processing status and sources. - Action **Import Phone Number** Import a phone number from your own telephony provider (for example a Twilio elastic SIP trunk) into Retell AI and optionally bind agents to it. - Action **List Agents** Lists the voice and chat agents in the Retell AI account, optionally filtered by channel or by a name/id search. - Action **List Calls** List calls in the Retell AI account, newest first by default, optionally filtered by agent, status, direction, numbers, time range and more. Returns up to 1000 calls; transcripts and recording URLs are not included (use Get a Call for those). - Action **List Knowledge Bases** List all knowledge bases in the Retell AI account. - Action **List Phone Numbers** Lists the phone numbers in your Retell AI account (up to 1000). - Action **List Retell LLMs** Lists the Retell LLM response engines in the account. - Action **List Voices** List all voices available to the Retell AI account. - Action **Make a Phone Call** Start a new outbound phone call from one of your Retell numbers, handled by a Retell voice agent. - Action **Register Phone Call** Register a phone call placed through your own (custom) telephony, so Retell issues a call id your telephony can connect the audio to. - Action **Update Agent** Updates an existing Retell AI voice agent's latest draft version. Only the fields you fill in are changed. - Action **Update Call** Update the metadata, data storage setting or custom attributes of an existing Retell AI call. - Action **Update Phone Number** Updates the agents, nickname, webhooks, country restrictions, SIP trunk and fallback settings of a phone number in Retell AI. Only the fields you fill in are changed. - Action **Update Retell LLM** Update an existing Retell LLM response engine's configuration (prompt, model, etc). ## 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) - [ **Retell AI** Retell AI is a conversation intelligence platform that turns customer calls into actionable insights.](https://apiant.ai/connections/retell-ai) Reviews ## What our customers say ## More from ActiveCampaign Postmark - [ **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](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) - [ **ActiveCampaign Postmark to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/activecampaign-postmark-to-google-calendar) ## More into Retell AI - [ **HubSpot to Retell AI** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-retell-ai) - [ **Salesforce to Retell AI** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-retell-ai) - [ **Slack to Retell AI** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-retell-ai) - [ **Google Sheets to Retell AI** Google Sheets](https://apiant.ai/connect/google-sheets-to-retell-ai) - [ **Gmail to Retell AI** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-retell-ai) - [ **Google Calendar to Retell AI** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-retell-ai) Questions ## ActiveCampaign Postmark and Retell AI, 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 Retell AI when something happens in ActiveCampaign Postmark? Any of Retell AI's 27 actions, including Create Knowledge Base, Create Retell LLM, Update Agent and Update Call. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Retell AI to ActiveCampaign Postmark? Retell AI has no triggers in the catalog today, so automations start in ActiveCampaign Postmark. If you need the other direction, ask: your agent reads Retell AI's API documentation and adds it. ### ### Do I have to build a connector for ActiveCampaign Postmark or Retell AI? 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 Retell AI 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.