Connect Postonce and MailUp
Integrate Postonce with MailUp to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
List Country Code in Mailup when New Post Created in PostOnce
Create New Email Message in Mailup when New Post Created in PostOnce
New Send Email using MailUp when New Post Created in PostOnce
Create a New Text Message in MailUp when New Post Created in PostOnce
Send Message to Group using MailUp when New Post Created in PostOnce
Popular Postonce + MailUp flows
Start from a real workflow other teams are already running.
Choose a trigger
Postonce
When this happens...
New Post Created
Choose an action
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 Post Created in PostOnce
Use this flowCreate New Email Message in Mailup when New Post Created in PostOnce
Use this flowNew Send Email using MailUp when New Post Created in PostOnce
Use this flowCreate a New Text Message in MailUp when New Post Created in PostOnce
Use this flowSend Message to Group using MailUp when New Post Created in PostOnce
Use this flowDelete a Text Message in MailUp when New Post Created in PostOnce
Use this flowAdd Recipient to Group in MailUp when New Post Created in PostOnce
Use this flowAdd Recipient to List in MailUp when New Post Created in PostOnce
Use this flowRemove Recipient From List in MailUp when New Post Created in PostOnce
Use this flowCreate New Group in MailUp when New Post Created in PostOnce
Use this flowSupported Triggers & Actions
Everything you can automate between Postonce and MailUp.
When this happensTriggers
A trigger is an event that starts a workflow.
New Post Created
Runs when a new post is created. You can filter by account and set the lookback minutes.
Do thisActions
Action is the task that follows automatically within your Postonce integrations.
Create Upload URL
Generate a signed upload URL for a media file by filename; MIME type is auto-detected from the filename extension.
Get Media
Retrieve a media item's storage path and public URL using its media ID.
Create Post
Create a post to selected accounts with content, media, scheduling, and platform-specific options.
List Posts
Retrieve posts or a single post by ID. Leave fields empty to return all data; set limit (1–100) and after cursor.
Cancel Post
Cancel a scheduled or pending post by Post ID without deleting its record or published content.
Publish Post
Publish a scheduled or draft Postonce post immediately by specifying the post ID.
Learn how to build your first workflow
Follow a simple walkthrough to create, test, and launch your first automation.
- 1
Connect your apps
Link the apps you want to automate.
- 2
Configure your workflow
Set up triggers, actions, and map your data.
- 3
Test & publish
Test your workflow and publish it.
Trusted by Thousands. Recognized by the Best.
Recognized by leading review platforms and trusted by 10,000+ businesses worldwide.
From idea to automation.
AI will build it for you
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.
Learn More About Automation
How viaSocket Works | A Complete Guide
Discover viaSocket, an AI-powered workflow automation platform with 2,300+ integrations. Learn what it is, how it works, and how to set up no-code automated workflows.
5 Simple Automation Hacks to Make Your Team Free
Five practical automation hacks to cut repetitive tasks and boost productivity using viaSocket, covering lead generation, onboarding, accounting, support, and HR.
What is Workflow Automation - Definition, Importance & Benefits | A Complete Guide
Explore workflow automation: its definition, benefits, how it works, real-world examples, and how to automate with viaSocket.
What are Webhooks - Definition, Working, Usage & Examples | A Complete Guide
Discover what webhooks are, how they work, and when to use them. Compare push-based webhooks with APIs and polling, with practical examples and ViaSocket integration.
viaSocket Support
We're here to help
Instant answers
AI assistant available 24/7
Expert support
Connect with our specialists
Trusted & secure
Your data is safe with us
Start automating Postonce and MailUp free
No credit card required. Set up your first workflow in minutes.
About Postonce
PostOnce is a social media automation platform that enables creators, teams, and businesses to schedule and crosspost content across platforms including TikTok, Instagram, YouTube, Facebook, LinkedIn, X, Threads, Bluesky, and Pinterest.
Learn moreSimilar apps
About MailUp
MailUp 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 moreSimilar apps
Frequently Asked Questions
Sign up for a free viaSocket account, then authorize both your Postonce 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 Postonce 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 Postonce triggers actions in MailUp, and a separate workflow where MailUp triggers actions in Postonce. 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 Postonce and MailUp. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Postonce 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.
