Integrate Mailsac with Slide to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Send One-Time Password via Slide when New Email Received in Mailsac
Send WhatsApp Template Message via Slide when New Email Received in Mailsac
List SMS Campaigns in Slide when New Email Received in Mailsac
Delete Email Message in Mailsac when When a new contact is created in Slide
Move Message to Folder in Mailsac when When a new contact is created in Slide
Start from a real workflow other teams are already running.
Mailsac
When this happens...
New Email Received
Slide
Automatically do this!
Send One-Time Password
Send WhatsApp Template Message
Send Email From Template
Create Email Contact
List SMS Campaigns
Send One-Time Password via Slide when New Email Received in Mailsac
Use this flowSend WhatsApp Template Message via Slide when New Email Received in Mailsac
Use this flowList SMS Campaigns in Slide when New Email Received in Mailsac
Use this flowDelete Email Message in Mailsac when When a new contact is created in Slide
Use this flowMove Message to Folder in Mailsac when When a new contact is created in Slide
Use this flowSet Message Read/Unread in Mailsac when When a new contact is created in Slide
Use this flowStar Message in Mailsac when When a new contact is created in Slide
Use this flowAdd Label To Message in Mailsac when When a new contact is created in Slide
Use this flowRemove Label From Message in Mailsac when When a new contact is created in Slide
Use this flowCreate/Update Address in Mailsac when When a new contact is created in Slide
Use this flowEverything you can automate between Mailsac and Slide.
When this happensTriggers
A trigger is an event that starts a workflow.
Triggers when a new email message is received in a specified inbox.
Runs the workflow automatically whenever a new contact is created in the account.
Runs the workflow automatically whenever a new WhatsApp message is received in the account.
Runs the workflow automatically whenever an email is confirmed as delivered to the recipient.
Runs the workflow automatically when a new order is created in the connected Shopify store.
Runs the workflow automatically when a voice call is completed.
Action is the task that follows automatically within your Mailsac integrations.
Delete an email from the inbox using its message ID.
Move an email to Inbox, Spam, or Trash for better organization.
Mark an email as read or unread by toggling its status.
Mark an email as important so it won’t be automatically deleted when your mailbox is full.
Add a label to an email to help organize messages.
Remove a label from a message to ungroup or reorganize it.

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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Mailsac is a versatile email testing and disposable email service that allows developers and testers to receive and test emails without the need for a permanent email address. It is ideal for testing email workflows, verifying email functionalities, and ensuring that email communications are working as intended in applications.
Learn moreSlide by Synquic is an omnichannel marketing and messaging automation platform. Automate Instagram DMs (including comment-to-DM and story replies), run WhatsApp Business API broadcasts and flows, build chatbots, send email campaigns and drips, and trigger AI voice calls—all from one dashboard. As a Meta Verified Tech Partner, Slide helps brands capture leads, engage customers, and drive conversions with analytics and ecommerce integrations like Shopify. Trusted by 40+ brands across India.
Learn moreSign up for a free viaSocket account, then authorize both your Mailsac and Slide 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 Mailsac and Slide 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 Slide. No coding required.
Yes. You can set up a workflow where Mailsac triggers actions in Slide, and a separate workflow where Slide triggers actions in Mailsac. 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 Mailsac and Slide. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Mailsac and Slide integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.