Integrate Moosend with Letta to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Start from a real workflow other teams are already running.
Moosend
When this happens...
New Subscriber
New Unsubscriber
Update Subscriber
Letta
Automatically do this!
Create Agent
Send message to Letta agent
Save memory to Letta
Create Folder
Create Archive
Create identity
List Identities
Create Agents From Template
Unsubscribe Member from Moosend when New Agents in Letta
Use this flowCreate Custom Field in Moosend when New Agents in Letta
Use this flowCreate Empty Segment in Moosend when New Agents in Letta
Use this flowDelete Subscriber from Moosend when New Agents in Letta
Use this flowSearch Subscriber in Moosend when New Agents in Letta
Use this flowCreate/Update Subscriber in Moosend when New Agents in Letta
Use this flowUnsubscribe Member from Moosend when New Folders in Letta
Use this flowCreate Custom Field in Moosend when New Folders in Letta
Use this flowCreate Empty Segment in Moosend when New Folders in Letta
Use this flowDelete Subscriber from Moosend when New Folders in Letta
Use this flowEverything you can automate between Moosend and Letta.
When this happensTriggers
A trigger is an event that starts a workflow.
Triggers when a new subscriber is added to a mailing list.
Triggers when a subscriber is unsubscribed.
Triggers when a subscriber’s profile has been updated.
Show agents created since a specified time, newest first.
Show folders created within a recent time window (default 15 minutes).
runs when new message arrives
Action is the task that follows automatically within your Moosend integrations.
Unsubscribes a member from target mailing lists.
Create a new custom field in a specific mailing list.
Creates an empty segment in a specific mailing list.
Permanently removes a subscriber from a mailing list without adding them to the suppression list.
Retrieves detailed information about a subscriber by email address or ID within a specific mailing list.
Creates/update a subscriber in a specific mailing list.

Follow a simple walkthrough to create, test, and launch your first automation.
Connect your apps
Link the apps you want to automate.
Configure your workflow
Set up triggers, actions, and map your data.
Test & publish
Test your workflow and publish it.
Recognized by leading review platforms and trusted by 10,000+ businesses worldwide.
Just describe the task in plain English. viaSocket AI selects the right apps, builds the workflow, maps the fields, and prepares everything for review before you publish.

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Moosend is an email marketing & automations platform that helps you ease the burden of sending your email campaigns and managing your mailing lists.
Learn moreLetta is a comprehensive platform designed to streamline communication and enhance productivity for teams and businesses. With a focus on seamless collaboration, Letta offers tools for efficient messaging, file sharing, and project management, making it an ideal choice for organizations looking to improve their workflow and connectivity.
Learn moreSign up for a free viaSocket account, then authorize both your Moosend and Letta accounts. From there, pick a trigger in one app and an action in the other. Your first workflow can be live in under five minutes.
Yes. viaSocket uses instant triggers where available, so data moves between Moosend and Letta as soon as the event happens. Scheduled polling triggers run at a maximum interval of 15 minutes.
Yes. You can map specific fields, apply filters to skip records that do not match your conditions, and transform values before they reach Letta. No coding required.
Yes. You can set up a workflow where Moosend triggers actions in Letta, and a separate workflow where Letta triggers actions in Moosend. Both run independently and in real time.
viaSocket logs every run so you can see exactly what succeeded and what failed. Failed tasks can be retried from the dashboard without re-configuring the workflow.
Yes, there is a free plan that covers basic workflows between Moosend and Letta. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Moosend and Letta integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.