--- title: "Connect ActiveCampaign Postmark to Modern Treasury - APIANT.ai" description: "When \"New Bounce\" fires in ActiveCampaign Postmark, your agent runs \"Add invoice\" in Modern Treasury." canonical: "https://apiant.ai/connect/activecampaign-postmark-to-modern-treasury" --- # Connect ActiveCampaign Postmark to Modern Treasury When **New Bounce** fires in [ActiveCampaign Postmark](https://apiant.ai/connections/activecampaign-postmark), your agent runs **Add invoice** in [Modern Treasury](https://apiant.ai/connections/modern-treasury). Describe the whole flow and it is built, tested on every scenario and kept running. ActiveCampaign Postmark **6** triggers ActiveCampaign Postmark **13** actions Modern Treasury **14** 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 Modern Treasury 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 Modern Treasury - When **New Bounce** in ActiveCampaign Postmark then **Add invoice** in Modern Treasury - When **New Delivery** in ActiveCampaign Postmark then **Add payment order** in Modern Treasury 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 Modern Treasury ## Triggers and actions 6 triggers · 27 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 counterparty** Creates a counterparty — a person or business you send payments to or receive payments from — optionally with its bank accounts and legal entity. - Action **Add expected payment** Creates an expected payment in Modern Treasury so an incoming or outgoing payment can be reconciled automatically when it arrives. - Action **Add external account** Creates an external bank account for a counterparty in Modern Treasury, with its account numbers, routing details and owner information. - Action **Add invoice** Creates an invoice for a counterparty, payable to one of your internal accounts. - Action **Add ledger transaction** Creates a ledger transaction made of balanced debit and credit entries against your ledger accounts. - Action **Add payment order** Creates a payment order that moves money between one of your internal accounts and a counterparty's or another internal account. - Action **Delete counterparty** Deletes a counterparty from your Modern Treasury organization. - Action **Get counterparty** Returns a single counterparty, including its accounts, contact details and metadata. - Action **Get invoice** Returns a single invoice by its ID, including its amounts, status, counterparty and line-item details. - Action **Get ledger transaction** Returns one ledger transaction, including its ledger entries, status and metadata. - Action **Get payment order** Returns the details of a single payment order, including its amount, status, direction and accounts. - Action **List internal accounts** Returns the organization's internal (bank) accounts, optionally filtered by counterparty, legal entity, currency, status or payment capability. - Action **Update counterparty** Updates an existing counterparty's name, email, external ID, legal entity, metadata, remittance-advice setting or taxpayer identifier. Returns the updated counterparty. - Action **Update payment order** Updates an existing payment order, for example changing its amount, description, metadata or status (such as cancelling or approving it). Returns the updated payment order. ## 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) - [ **Modern Treasury** API platform for money movement and ledgering, including payment orchestration, bank connectivity, and...](https://apiant.ai/connections/modern-treasury) 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 Modern Treasury - [ **HubSpot to Modern Treasury** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-modern-treasury) - [ **Salesforce to Modern Treasury** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-modern-treasury) - [ **Slack to Modern Treasury** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-modern-treasury) - [ **Google Sheets to Modern Treasury** Google Sheets](https://apiant.ai/connect/google-sheets-to-modern-treasury) - [ **Gmail to Modern Treasury** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-modern-treasury) - [ **Google Calendar to Modern Treasury** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-modern-treasury) Questions ## ActiveCampaign Postmark and Modern Treasury, 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 Modern Treasury when something happens in ActiveCampaign Postmark? Any of Modern Treasury's 14 actions, including Update counterparty, Update payment order, Add counterparty and Add expected payment. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Modern Treasury to ActiveCampaign Postmark? Modern Treasury has no triggers in the catalog today, so automations start in ActiveCampaign Postmark. If you need the other direction, ask: your agent reads Modern Treasury's API documentation and adds it. ### ### Do I have to build a connector for ActiveCampaign Postmark or Modern Treasury? 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 Modern Treasury 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.