Integrate Harvest with MailUp to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
List Country Code in Mailup when New Client Created in Harvest
Create New Email Message in Mailup when New Client Created in Harvest
New Send Email using MailUp when New Client Created in Harvest
Create a New Text Message in MailUp when New Client Created in Harvest
Send Message to Group using MailUp when New Client Created in Harvest
Start from a real workflow other teams are already running.
Harvest
When this happens...
New Client Created
New User
New Contact
New Project
New Time entry
List Invoice Sent
List Invoice Paid
New Invoice
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 Client Created in Harvest
Use this flowCreate New Email Message in Mailup when New Client Created in Harvest
Use this flowNew Send Email using MailUp when New Client Created in Harvest
Use this flowCreate a New Text Message in MailUp when New Client Created in Harvest
Use this flowSend Message to Group using MailUp when New Client Created in Harvest
Use this flowDelete a Text Message in MailUp when New Client Created in Harvest
Use this flowAdd Recipient to Group in MailUp when New Client Created in Harvest
Use this flowAdd Recipient to List in MailUp when New Client Created in Harvest
Use this flowRemove Recipient From List in MailUp when New Client Created in Harvest
Use this flowCreate New Group in MailUp when New Client Created in Harvest
Use this flowEverything you can automate between Harvest and MailUp.
When this happensTriggers
A trigger is an event that starts a workflow.
Trigger when new client is created
Trigger when user is created
Trigger when new contact is created
Trigger when new project is created
Trigger when new time entry is created
List Invoice Sent
Action is the task that follows automatically within your Harvest integrations.
Creates a new client
Update an existing client
Craete a new contact
Update an existing contact
Get an existing task detail by its name
Create a new task

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.
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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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Harvest is a time-tracking and invoicing application that simplifies the process of tracking time for various tasks and projects. It helps organizations and freelancers easily bill clients and better manage their time spent on tasks.
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 Harvest 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 Harvest 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 Harvest triggers actions in MailUp, and a separate workflow where MailUp triggers actions in Harvest. 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 Harvest and MailUp. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Harvest 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.