Integrate Sellsy 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.
Sellsy
When this happens...
New Contact
New Opportunity
New Company
New Task
Deleted Task
Updated Company
Updated Contact
Updated Opportunity Status
Updated Task
Invoice Created
Invoice Updated
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
Create Agent in Letta when New Contact in Sellsy
Use this flowSend message to Letta agent via Letta when New Contact in Sellsy
Use this flowSave memory to Letta to Letta when New Contact in Sellsy
Use this flowCreate Folder in Letta when New Contact in Sellsy
Use this flowCreate Archive in Letta when New Contact in Sellsy
Use this flowCreate identity in Letta when New Contact in Sellsy
Use this flowList Identities from Letta when New Contact in Sellsy
Use this flowCreate Agents From Template in Letta when New Contact in Sellsy
Use this flowCreate Agent in Letta when New Opportunity in Sellsy
Use this flowSend message to Letta agent via Letta when New Opportunity in Sellsy
Use this flowEverything you can automate between Sellsy and Letta.
When this happensTriggers
A trigger is an event that starts a workflow.
Triggers when a new contact is created.
Triggers when a new opportunity is Created.
Triggers when a new company (client or prospect) is created.
Triggers when a new task is created.
Triggers when a task is deleted.
Triggers when a company (client or prospect) is updated.
Action is the task that follows automatically within your Sellsy integrations.
Add a new contact with name, email, phone, social profiles, owner, notes, and preferences.
Create a new task in Sellsy with title, due date, assignees, label, priority, reminders, and optional related items.
Create a new opportunity in Sellsy, specifying owner, pipeline step, amount, probability, source, and optionally related contact/company, due date, notes, and assigned staff.
Search for a contact by last name, email, or mobile number; optionally create a new contact when Create is true using the provided contact fields.
Add a new contact or update an existing contact in Sellsy using name, email, phone, job title, website, birth date, notes, owner, archive status, and social links.
Search companies by name, email, or mobile and filter by company type. If 'Create' is true, create a new company using the provided company fields.

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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Sellsy is a comprehensive business management platform that offers tools for CRM, invoicing, accounting, and project management, designed to streamline operations and enhance productivity for businesses of all sizes.
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 Sellsy 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 Sellsy 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 Sellsy triggers actions in Letta, and a separate workflow where Letta triggers actions in Sellsy. 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 Sellsy and Letta. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Sellsy 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.