How do I connect MailerLite?

Add the MailerLite piece to a flow, then authenticate with API key. Once connected, its 4 triggers and 11 actions are available anywhere in the builder.

What can I automate with MailerLite?

"Subscriber Created" can start a flow that runs "Add Subscriber to a Group", and you can chain MailerLite together with any of 760+ other apps and AI steps in between.

Can I self-host the MailerLite integration?

Yes. Activepieces is fully self-hostable, so you can run the MailerLite piece on your own infrastructure with your connections and your data staying in your environment.

Can my AI agent use MailerLite as a tool?

Yes. Every piece you connect can be exposed over one Activepieces MCP server, so Claude, Cursor, Windsurf or any MCP client can call MailerLite actions as tools.

MailerLite integration

Email marketing software

Start building Use MailerLite with your AI

Actions: 11
Triggers: 4
Auth: API key
License: MIT, open source
Updated: September 2026

About the MailerLite integration

Add the MailerLite piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine MailerLite with 760+ other apps in the same flow.

Triggers

Start a flow the moment something happens in MailerLite

Each trigger below can start a flow on its own, either instantly or on a schedule.

Subscriber Created
Triggers when a subscriber was created on your mailing list.
1 field
Subscriber Fields Updated
Triggers when the subscriber fields have been updated.
1 field
Subscriber Unsubscribed
Triggers when a subscriber has unsubscribed from your mailing list.
1 field
Subscriber Added to Group
Triggers when a subscriber is added to a group.
1 field

Actions

Everything Activepieces can do in MailerLite

Drop any of these into a flow and fill in the fields. No code is required.

Add Subscriber to a Group
Adds existing subscriber to a specific group.
2 fields
Add or Update subscriber
Create a new subscriber or updates an existing one if the email already exists.
8 fields
Find a Subscriber
Search for subscriber by email or name.
1 field
Remove Subscriber from a Group
Removes subscriber from a specific group.
2 fields
List Subscribers
List subscribers, optionally filtered by status.
2 fields
Unsubscribe Subscriber
Set a subscriber status to unsubscribed.
1 field
Delete Subscriber
Permanently delete a subscriber.
1 field
List Groups
List groups in the account, one page at a time.
2 fields
Create Group
Create a new group.
1 field
List Group Subscribers
List the subscribers belonging to a group.
2 fields
Custom API Call
Make a custom API call to a specific endpoint
10 fields

Use MailerLite in a flow

Connect MailerLite once and every trigger and action above is yours to drop into the builder, alongside 760+ other apps. Free to start, on our cloud or your own servers.

Build a MailerLite flow Talk to sales

MailerLite, answered.

Yes. Activepieces is open source and free to start, and the MailerLite piece is included on every plan, from the free cloud tier to any self-hosted deployment.

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