Integrate Postonce with Reddit 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
Automatically do this!
Create Reddit Post
Create Comment
Send Message
List Post Comments
Create Reddit Post on Reddit when New Post Created in PostOnce
Use this flowCreate Comment on Reddit when New Post Created in PostOnce
Use this flowSend Message on Reddit when New Post Created in PostOnce
Use this flowList Post Comments from Reddit when New Post Created in PostOnce
Use this flowCreate Upload URL in Postonce when New Hot Post on Reddit
Use this flowGet Media from Postonce when New Hot Post on Reddit
Use this flowCreate Post on Postonce when New Hot Post on Reddit
Use this flowList Posts from Postonce when New Hot Post on Reddit
Use this flowCancel Post in Postonce when New Hot Post on Reddit
Use this flowPublish Post on Postonce when New Hot Post on Reddit
Use this flowEverything you can automate between Postonce and Reddit.
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.
Triggers when new posts in one or more subreddits' hot feeds within a recent time window and returns matching posts.
Runs when new post appears
New posts from selected subs
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 limit blank to return all posts or set 1-100; supports 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 moreReddit is a network of communities where people can dive into their interests, hobbies, and passions. Users can post content, participate in discussions, and vote on posts and comments to determine their visibility.
Learn moreSign up for a free viaSocket account, then authorize both your Postonce and Reddit 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 Reddit 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 Reddit. No coding required.
Yes. You can set up a workflow where Postonce triggers actions in Reddit, and a separate workflow where Reddit 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 Reddit. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Postonce and Reddit integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.