Integration
Connect ActiveCampaign Postmark and Harvest
When New Bounce fires in ActiveCampaign Postmark, your agent runs Create Contact in Harvest, or New Client in Harvest to Send an Email in ActiveCampaign Postmark. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want ActiveCampaign Postmark and Harvest to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne 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.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)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)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)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)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)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)Example flows
What ActiveCampaign Postmark and Harvest can do together
From ActiveCampaign Postmark to Harvest
When New Bounce in ActiveCampaign Postmark
then Create Contact in Harvest
From Harvest to 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 Harvest
Triggers and actions 22 triggers · 25 actions
- New Bounce
Triggers when an email sent through Postmark bounces.
- New Delivery
Triggers when Postmark confirms an email was accepted by a recipient's mail server (one event per recipient).
- New Email Open
Triggers when a recipient opens an email sent through Postmark with open tracking enabled.
- New Inbound Message
Triggers when an email arrives at the server's inbound address and Postmark parses it.
- New Link Click
Triggers when a recipient clicks a tracked link in an email for the first time.
- New Spam Complaint
Triggers when a recipient marks an email sent through Postmark as spam.
- Activate bounce
Reactivates an email address that Postmark deactivated because of a bounce, so it can receive email again.
- Add template
Creates a new email template (standard or layout) on your Postmark server.
- Delete template
Deletes an email template from your Postmark server by its ID or alias.
- Find bounces by criteria
Returns bounces on your Postmark server matching criteria such as bounce type, email address, tag, message, stream, or date range.
- 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.
- Get bounce
Returns the details of a single bounce, including the bounced email address, bounce type, and whether the address can be reactivated.
- Get outbound message
Returns the full details of one sent email, including its bodies, recipients, status, metadata and delivery events.
- Get template
Returns a single email template, including its subject, HTML and text content, by its ID or alias.
- List templates
Returns the email templates on your Postmark server, optionally filtered by template type or layout.
- Send an Email
Sends a single email through your Postmark server.
- Send batch emails
Sends up to 500 emails in a single request and returns Postmark's per-message result for each.
- Send Email With Template
Sends an email rendered from one of your Postmark templates, filling it with the values you supply.
- Update template
Updates an existing Postmark template's name, subject, HTML or text content, alias, or layout.
- Invoice Paid
Triggers when an invoice is fully paid.
- Invoice Sent
Triggers when an invoice is sent or marked as sent.
- New Client
Triggers when a new client is added.
- New Contact
Triggers when new contact is added.
- New Expense
Triggers when a new expense is added.
- New Invoice
Triggers when an invoice is created.
- New Project
Triggers when a project is created.
- New Task
Triggers when a new task is added.
- New Time Entry
Triggers when a time entry is created.
- New User
Triggers when a new User is added.
- New User Assignment
Triggers when a user is assigned to a project.
- Timer Started
Triggers when a timer is started.
- Timer Stopped
Triggers when a timer is stopped.
- Updated Client
Triggers when a client is updated.
- Updated Invoice
Triggers when an invoice is updated.
- Updated Time Entry
Triggers when a time entry is updated.
- Create Client
Creates a Client
- Create Contact
Creates a Contact
- Create Project
Creates a Project
- Create Task
Creates a Task and optionally assigns it to a project
- Create Time Entry
Creates a Time Entry with duration
- Create Time Entry (Start & End Times)
Creates a Time Entry with start and end times
- Find Client
Finds a client by name or ID
- Find Invoice
Finds an invoice by ID
- Find Project
Finds a project by name
- Find Task
Finds a task by name
- Start Timer
Creates and starts a timer for a given date
- Stop Timer
Stops any running timers
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
ActiveCampaign Postmark and Harvest, 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 Harvest when something happens in ActiveCampaign Postmark?
Any of Harvest's 12 actions, including Create Client, Create Contact, Create Project and Create Task. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from Harvest to ActiveCampaign Postmark?
Yes. When something happens in Harvest, your agent can act in ActiveCampaign Postmark too. This page covers both directions: Harvest's triggers and ActiveCampaign Postmark's actions are listed here as well.
Do I have to build a connector for ActiveCampaign Postmark or Harvest?
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 Harvest 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.