Integrate Sellsy with MailUp 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
MailUp
Automatically do this!
List Country Code
Create New Email Message
New Send Email
Create a New Text Message
Send Message to Group
Delete a Text Message
Add Recipient to Group
Add Recipient to List
Remove Recipient From List
Create New Group
List Country Code in Mailup when New Contact in Sellsy
Use this flowCreate New Email Message in Mailup when New Contact in Sellsy
Use this flowNew Send Email using MailUp when New Contact in Sellsy
Use this flowCreate a New Text Message in MailUp when New Contact in Sellsy
Use this flowSend Message to Group using MailUp when New Contact in Sellsy
Use this flowDelete a Text Message in MailUp when New Contact in Sellsy
Use this flowAdd Recipient to Group in MailUp when New Contact in Sellsy
Use this flowAdd Recipient to List in MailUp when New Contact in Sellsy
Use this flowRemove Recipient From List in MailUp when New Contact in Sellsy
Use this flowCreate New Group in MailUp when New Contact in Sellsy
Use this flowEverything you can automate between Sellsy and MailUp.
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 moreMailUp is a comprehensive email and SMS marketing platform designed to help businesses create, send, and analyze their marketing campaigns. With a user-friendly interface and powerful automation tools, MailUp enables users to reach their audience effectively and efficiently.
Learn moreSign up for a free viaSocket account, then authorize both your Sellsy and MailUp 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 MailUp 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 MailUp. No coding required.
Yes. You can set up a workflow where Sellsy triggers actions in MailUp, and a separate workflow where MailUp 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 MailUp. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Sellsy and MailUp integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.