Integrate Resend with GMass 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.
Resend
When this happens...
GMass
Automatically do this!
Add Unsubscribe
Remove Email Address From Campaign
Send a Transactional Email
List All Campaigns
List All Campaigns and Aggregate Statistics
List Campaign Recipients
List Recipients Who Opened a Campaign
List Recipients Who Clicked a Campaign URL
List Unsubscribed Recipients
List Bounced Campaign Recipients
List Blocked Campaign Recipients
List Replied Campaign Recipients
List Google Sheets
List All Unsubscribed Domains
Get Account Information
Get Contact by ID or Email from Resend when Email Opened in GMass
Use this flowCreate Segment in Resend when Email Opened in GMass
Use this flowDelete Segment in Resend when Email Opened in GMass
Use this flowCreate Contact in Resend when Email Opened in GMass
Use this flowAdd or Remove Contact from Segment in Resend when Email Opened in GMass
Use this flowList Segments from Resend when Email Opened in GMass
Use this flowList Topics from Resend when Email Opened in GMass
Use this flowList Contacts from Resend when Email Opened in GMass
Use this flowGet Contact by ID or Email from Resend when Email Clicked in GMass
Use this flowCreate Segment in Resend when Email Clicked in GMass
Use this flowEverything you can automate between Resend and GMass.
When this happensTriggers
A trigger is an event that starts a workflow.
Triggers when an email is opened.
Triggers when a link in an email is clicked.
Triggers when an email bounces.
Triggers when an email that is sent as part of a campaign receives a reply.
Triggers when an individual email is sent as part of a campaign. This is not the trigger for transactional emails.
Triggers when an email address is unsubscribed from your GMass account.
Action is the task that follows automatically within your Resend integrations.
Get contact by ID or email
Create a new segment in Resend to group contacts for targeted broadcasts.
Permanently delete a segment from Resend using Segment ID.
Create a new contact in Resend with email, name, segments, topics, and custom properties.
Add or remove an existing contact from a segment using Contact ID or email.
Retrieve all segments from Resend. Fetch all at once or use custom pagination to get specific results.

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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Resend is a platform designed to streamline and automate the process of resending emails, notifications, and other digital communications. It helps businesses ensure that important messages reach their intended recipients, even if the initial attempt fails. With Resend, users can manage and track their communication efforts efficiently, improving engagement and response rates.
Learn moreGMass is a powerful email marketing tool that integrates with Gmail to enable users to send mass emails, create email campaigns, and track their performance. It is designed to help businesses and individuals streamline their email marketing efforts directly from their Gmail account.
Learn moreSign up for a free viaSocket account, then authorize both your Resend and GMass 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 Resend and GMass 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 GMass. No coding required.
Yes. You can set up a workflow where Resend triggers actions in GMass, and a separate workflow where GMass triggers actions in Resend. 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 Resend and GMass. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Resend and GMass integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.