Integrate Sellsy with Lago 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
Lago
Automatically do this!
Create Invoice
List All Customers
List Subscriptions
List All Invoices
Get an Invoice
List Plans
Get Subscription Plan
Create Coupon
List all Coupons
Apply Coupon
List All Add Ons
Create Tax Rate
List Tax Rates
Create Invoice in Lago when New Contact in Sellsy
Use this flowList All Customers from Lago when New Contact in Sellsy
Use this flowList Subscriptions from Lago when New Contact in Sellsy
Use this flowList All Invoices from Lago when New Contact in Sellsy
Use this flowGet an Invoice from Lago when New Contact in Sellsy
Use this flowList Plans from Lago when New Contact in Sellsy
Use this flowGet Subscription Plan from Lago when New Contact in Sellsy
Use this flowCreate Coupon in Lago when New Contact in Sellsy
Use this flowList all Coupons from Lago when New Contact in Sellsy
Use this flowApply Coupon in Lago when New Contact in Sellsy
Use this flowEverything you can automate between Sellsy and Lago.
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.

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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 moreSign up for a free viaSocket account, then authorize both your Sellsy and Lago 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 Lago 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 Lago. No coding required.
Yes. You can set up a workflow where Sellsy triggers actions in Lago, and a separate workflow where Lago 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 Lago. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Sellsy and Lago integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.