Integrate PostOnce with GanttPRO 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.
PostOnce
When this happens...
New Post Created
GanttPRO
Automatically do this!
Create Task
Create Project
Delete Task
Update task
Add Comment To Task
List All Projects
List Project Roles
Create Task in Ganttpro when New Post Created in PostOnce
Use this flowCreate Project in GantPRO when New Post Created in PostOnce
Use this flowDelete Task from GantPRO when New Post Created in PostOnce
Use this flowUpdate task in Ganttpro when New Post Created in PostOnce
Use this flowAdd Comment To Task in Ganttpro when New Post Created in PostOnce
Use this flowList All Projects from GanttPRO when New Post Created in PostOnce
Use this flowList Project Roles from GanttPRO when New Post Created in PostOnce
Use this flowCreate Upload URL in Postonce when New Task in Ganttpro
Use this flowGet Media from Postonce when New Task in Ganttpro
Use this flowCreate Post on Postonce when New Task in Ganttpro
Use this flowEverything you can automate between PostOnce and GanttPRO.
When this happensTriggers
A trigger is an event that starts a workflow.
Runs when a new post is created. You can filter by account and set the lookback minutes.
Returns tasks from the selected project that were created within the past number of minutes specified by the scheduledTime input.
Returns comments added to the selected task within the past specified number of minutes.
Action is the task that follows automatically within your PostOnce integrations.
Generate a signed upload URL for a media file by filename; MIME type is auto-detected from the filename extension.
Retrieve a media item's storage path and public URL using its media ID.
Create a post to selected accounts with content, media, scheduling, and platform-specific options.
Retrieve posts or a single post by ID. Leave fields empty to return all data; set limit (1–100) and after cursor.
Cancel a scheduled or pending post by Post ID without deleting its record or published content.
Publish a scheduled or draft Postonce post immediately by specifying the post ID.

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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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 moreGanttpro is a powerful project management tool that helps teams plan, schedule, and manage their projects using Gantt charts. It offers features like task management, resource allocation, and time tracking to ensure projects are completed on time and within budget.
Learn moreSign up for a free viaSocket account, then authorize both your PostOnce and GanttPRO 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 GanttPRO 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 GanttPRO. No coding required.
Yes. You can set up a workflow where PostOnce triggers actions in GanttPRO, and a separate workflow where GanttPRO 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 GanttPRO. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire PostOnce and GanttPRO integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.