Connect Postonce and Mastodon
Integrate Postonce with Mastodon to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Popular Postonce + Mastodon flows
Start from a real workflow other teams are already running.
Choose a trigger
Postonce
When this happens...
New Post Created
Choose an action
Mastodon
Automatically do this!
Delete Status
Post New Status
Search Post
Favourite a Status
Unfavourite Status
Reblog Status
Unreblog Status
Bookmark Status
Unbookmark Status
Mute Conversation
Unmute Conversation
Pin a Status
Unpin a Status
Update Status
Search Notification
Dismiss Notification
Create a List
Update List
Search List
Delete List
Create Upload URL in Postonce when New Status Posted in Mastodon
Use this flowGet Media from Postonce when New Status Posted in Mastodon
Use this flowCreate Post on Postonce when New Status Posted in Mastodon
Use this flowList Posts from Postonce when New Status Posted in Mastodon
Use this flowCancel Post in Postonce when New Status Posted in Mastodon
Use this flowPublish Post on Postonce when New Status Posted in Mastodon
Use this flowList Drafts from Postonce when New Status Posted in Mastodon
Use this flowCreate Workflow in Postonce when New Status Posted in Mastodon
Use this flowList Workflows from Postonce when New Status Posted in Mastodon
Use this flowList Accounts from Postonce when New Status Posted in Mastodon
Use this flowSupported Triggers & Actions
Everything you can automate between Postonce and Mastodon.
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.
New Status Posted
Triggered whenever a new status is posted
Status Updated
Triggers whenever one of your statuses is edited or updated.
New Notification Received
Triggers when a new notification is received.
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 limit blank to return all posts or set 1-100; supports 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.
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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.
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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 Mastodon
Mastodon is a decentralized social media platform that allows users to create and join communities, share content, and engage in discussions. It offers a unique approach to social networking by providing a federated network where users can choose their own servers and have more control over their data and interactions.
Learn moreSimilar apps
Frequently Asked Questions
Sign up for a free viaSocket account, then authorize both your Postonce and Mastodon 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 Mastodon 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 Mastodon. No coding required.
Yes. You can set up a workflow where Postonce triggers actions in Mastodon, and a separate workflow where Mastodon 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 Mastodon. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Postonce and Mastodon integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.
