Postiz Getting Started Guide 2026: Your First 15 Minutes with the Open-Source Scheduler

Q: How long does it take to set up Postiz?

The hosted version takes under 5 minutes — sign up, connect your platforms, and you're scheduling. The self-hosted Docker version takes about 10-15 minutes on a fresh VPS, including domain setup and SSL. Both give you the full feature set.

Q: Should I use Postiz cloud or self-host?

Start with the cloud version — it's free, zero setup, and you'll be publishing in minutes. Switch to self-hosting if you need full data ownership, want to avoid subscription fees, or are a developer who wants to customize the workflow. The Docker setup is a single command and mirrors the cloud version feature-for-feature.

Q: How does Postiz's AI agent work?

The AI agent is built directly into the post composer. Describe what you want to post about, and it generates hooks, captions, threads, and hashtags tuned per platform. It also creates AI images, generates short video clips from YouTube uploads, and adapts your content to each network's best practices automatically.

You've heard the buzz about Postiz — the open-source social media scheduler that handles 30+ platforms, generates AI captions, and costs a fraction of what Buffer or Hootsuite charge. But what does actually getting started look like? This guide walks you through the complete first session: sign-up, platform connections, your first scheduled post, the AI agent, and the cloud vs. self-hosting decision — all in about 15 minutes.

What Is Postiz?

Postiz is an open-source social media scheduling platform that lets you manage, schedule, and analyze content across more platforms than any mainstream tool. It comes in two flavors: a hosted cloud version (free to start, $15/month for AI features) and a fully self-hosted Docker deployment you run on your own server for free.

Unlike Buffer or Hootsuite, Postiz prices per workspace — not per channel. Connect all your Instagram accounts, your YouTube channel, your LinkedIn page, and your X feed under one roof and pay one flat fee.

Cloud vs. Self-Hosted: Which Should You Start With?

Before you even sign up, here's the honest trade-off:

Start with Cloud

✓ Zero setup — live in 5 minutes
✓ Free plan is genuinely useful
✓ Automatic updates and backups
✓ No server maintenance
✓ Best if you're non-technical

Self-Host (Later)

✓ Free forever — your server costs only
✓ Complete data ownership
✓ Full feature parity with cloud
✓ Customize and fork the code
✓ Best if you have basic server skills

For this guide, we'll start with the cloud version. Self-hosting is covered at the end if you want to go that route after seeing the product.

Step 1: Create Your Free Postiz Account

Step 1

Sign up at postiz.pro/try

Head to postiz.pro/try and create your account. The free plan requires no credit card — just an email address. You'll land directly in the dashboard after confirming your email.

Pro tip: Use your work email if you're planning team access later. Postiz organizes workspaces around accounts, and it's easier to start with the right email than migrate later.

Step 2: Connect Your First Platform

Step 2

Connect Instagram, TikTok, or any channel

In the left sidebar, click Channels. You'll see Postiz supports 30+ platforms organized by category. Click the platform you want to connect first — the interface guides you through the official OAuth flow. Postiz never asks for passwords and never scrapes — all connections use each platform's approved API.

Most creators start with Instagram since it's the platform most people manage alongside others. Here's what each connection typically involves:

Instagram/Facebook — Log in via Meta's OAuth, select your Page and/or Instagram account. Postiz will request the permissions it needs to schedule and publish.
TikTok — Connect via TikTok's OAuth. You may need to be on a Business account (free) to enable API scheduling access.
YouTube — Connect your Google account and authorize Postiz to upload and schedule to your channel.
X/Twitter — Standard OAuth. Postiz can post text, images, and threads.
LinkedIn — Personal profile or Company Page — both supported via OAuth.

Pro tip: Connect all your platforms now, even if you're not ready to post on all of them. Postiz's AI agent can draft for any connected platform, so having everything in one place gives you more to work with when you're staring at a blank caption field.

Step 3: Draft Your First Post Using the AI Agent

Step 3

Let Postiz's AI write your caption

Click Create Post in the top navigation. You'll see a composer that looks familiar if you've used any scheduler, but with one key difference: the AI Agent button on the right side of the caption field.

Here's how to use it effectively:

Type a brief description of what you want to post about in the AI prompt field. For example: "Fitness tip for people who travel — 3 exercises you can do in a hotel room with no equipment."
Click Generate. Postiz's AI will produce multiple caption options, each tuned to the platform you've selected.
Pick the caption you like, edit it if needed, and the AI will auto-generate relevant hashtags based on your content.
Attach your image or video, select the platforms to publish to, and choose your schedule time.

The AI agent adapts per platform — the same fitness tip gets a professional-casual tone for LinkedIn, a punchy hook-first style for TikTok, and a hashtag-rich caption for Instagram, all from the same input.

Using the AI Agent for Content Ideas

You don't have to start with a finished video. Open the AI agent, describe your brand or niche, and ask it to suggest post ideas for the week. It will generate a list of content concepts with hooks, angles, and caption directions you can pick from — useful when you're staring at a blank content calendar and don't know what to post next.

Step 4: Schedule Your Post with the Visual Calendar

Step 4

Use the calendar view to plan your week

After drafting your post, click Schedule (instead of Publish Now). The calendar view opens. Click any day, then pick a time. Postiz's visual calendar shows your full content plan in a week or month view — helpful for spotting gaps in your posting frequency.

For most creators, a good starting rhythm is:

Instagram: 3-5 posts per week, stories daily
TikTok: 1-2 posts per day when starting out
YouTube: 1 long-form video per week, shorts daily
X/Twitter: 3-5 threads or posts per day
LinkedIn: 2-3 posts per week

Pro tip: Postiz's Queue feature is a game-changer for consistency. Set up a queue per platform — a standing pool of posts that Postiz publishes automatically at your set intervals. Set it once, top it up when you have ideas, and your publishing runs on autopilot.

Step 5: Set Up Your First Queue (Automation That Runs While You Sleep)

Step 5

Queues auto-publish from your content pool

Navigate to Queues in the sidebar. A queue is a standing schedule: you define the posting interval (e.g., "one post every 8 hours on Instagram") and fill it with content. Postiz draws from the queue and publishes automatically — no manual scheduling for each post.

This is the feature most creators discover after a few weeks and then wonder how they ever published without it. Instead of scheduling every individual post, you batch-create content and let Postiz manage the timing. Your job becomes content creation — not content distribution logistics.

Step 6: Explore the Unified Inbox

Once your first posts go live, comments and DMs start landing in your social platform inboxes. Postiz's Unified Inbox pulls all your replies into one view — Instagram comments, X mentions, LinkedIn messages — so you don't have to tab between five apps to keep up with your audience.

This is particularly valuable as you scale past two platforms. The inbox is free on all plans and is one of the most underrated Postiz features for community managers and creators who prize responsiveness.

Step 7: Invite a Team Member (Optional)

If you're running a brand or content operation with more than one person, navigate to Team in settings. Postiz's team features include role-based access (Admin, Editor, Viewer), approval workflows before posts go live, and the ability to assign content creation tasks to specific team members.

The free plan is solo-only. Team features activate on Postiz's Standard plan and above, priced per workspace rather than per seat — making it significantly cheaper than Hootsuite or Sprout Social's per-seat models for small teams.

Key Takeaways from Your First Session

Sign up at postiz.pro/try — free, no credit card required, 5 minutes to first scheduled post.
Connect all your platforms at once — Postiz uses official OAuth flows, no passwords shared, and all your channels live in one dashboard.
Use the AI agent for captions — describe your content, get platform-tuned captions and hashtags in seconds. It's the fastest path from idea to published post.
Set up queues for autopilot publishing — batch your content creation, let Postiz handle timing. This is what separates consistent publishers from sporadic ones.
Unified inbox keeps you responsive — all comments and DMs in one view, no tab-switching between platforms.

Ready to Get Started?

Postiz's free plan gives you unlimited scheduled posts, all platform connections, and the unified inbox from day one. No credit card. No per-channel limits. Try it now and have your first post scheduled before lunch.

Try Postiz Free →

How to Self-Host Postiz (For Free, on Your Own Server)

If you want to own your data completely or avoid subscription fees long-term, self-hosting Postiz is straightforward. The official repository supports Docker and the setup takes about 10-15 minutes on a fresh VPS.

      Self-Hosting Postiz — Docker Setup
# Option 1: Official one-liner (recommended)
npx postiz docker

# Option 2: Clone and run
git clone https://github.com/gitroomhq/postiz-app.git
cd postiz-app
docker-compose up -d

# Postiz runs on port 3000 by default
# Point a subdomain to it with nginx/Caddy + Let's Encrypt

Once running, you'll access your self-hosted Postiz instance at your server's domain with SSL. The interface and features are identical to the cloud version — the only difference is your server, your data, your costs.

Server cost tip: A $6-10/month VPS (DigitalOcean, Hetzner, Contabo) is sufficient for a personal or small-team Postiz instance. Postiz's Docker image uses roughly 1-2GB RAM. You don't need a powerful server — stable uptime and a static IP matter more than raw power.

Connecting n8n, Zapier, and Custom Tools

Postiz exposes a REST API on all paid plans, and webhooks are available from Standard upward. This opens up automation possibilities beyond what the UI offers:

n8n: Build workflows that pull content from Notion, Airtable, or RSS feeds and automatically add them to your Postiz queues.
Zapier: Trigger Postiz posts from Google Sheets, your CRM, or any of Zapier's 5,000+ app integrations.
Custom scripts: Use the API to build a mobile widget, a browser extension, or a content approval pipeline specific to your team.

The official Postiz GitHub repository includes community-contributed examples for n8n automation, including a workflow that automatically posts to Postiz whenever a new row is added to a Google Sheet — useful for content teams that plan in spreadsheets.

Postiz vs. Other Tools: Why Postiz Wins for Getting Started

Compared to Buffer's 10-posts-per-channel free limit or Hootsuite's enterprise onboarding that takes days, Postiz wins on speed-to-value:

vs. Buffer: Free plan allows unlimited posts (vs. 30 total on Buffer), supports more platforms, and has AI built in (vs. a $5/month add-on).
vs. Hootsuite: No enterprise pricing, no per-seat billing, self-hosting option for free, and a modern UI that doesn't feel like 2015.
vs. Later: Later's free plan is extremely limited. Postiz gives you the full scheduler experience from day one.
vs. Mixpost: Mixpost is another solid open-source option, but Postiz has more platform integrations and a more active development community.

Frequently Asked Questions

Is Postiz really free to start?

Yes. Postiz's free hosted plan includes unlimited scheduled posts, a unified inbox, and basic analytics — no credit card required. Paid plans starting at $15/month add AI generation credits, team features, and advanced webhooks. You can also self-host Postiz entirely for free using Docker on your own server — the software is MIT-licensed.

How long does it take to set up Postiz?

The hosted cloud version takes under 5 minutes — sign up, connect your platforms via OAuth, and you're scheduling posts immediately. The self-hosted Docker version takes about 10-15 minutes on a fresh VPS, including domain routing and SSL certificates via a reverse proxy. Both versions have identical features.

Which platforms can I connect to Postiz?

Postiz supports 30+ platforms including Instagram, Facebook, TikTok, YouTube, X/Twitter, LinkedIn, Reddit, Pinterest, Threads, Bluesky, Mastodon, Nostr, Warpcast, Lemmy, Discord, Telegram, Dribbble, and GitLab. All connections use official platform OAuth — Postiz never scrapes or uses unofficial methods. New platform integrations are added regularly via the open-source community.

Should I use Postiz cloud or self-host?

Start with the cloud version. It's free, requires zero technical setup, and you'll be publishing within 5 minutes of signing up. Switch to self-hosting later if you want full data ownership, need to avoid subscription costs at scale, or are a developer who wants to customize the source code. The Docker self-hosting option mirrors the cloud version feature-for-feature.

How does Postiz's AI agent work?

The AI agent lives inside the post composer. Describe your content or brand in plain language, and it generates hooks, captions, threads, and hashtags tuned per platform. It also creates AI images, generates short video clips from YouTube uploads (Postiz selects the best moments automatically), and adapts your message to each network's best practices — all without leaving the scheduling interface.

Can I use Postiz with n8n or Zapier for automation?

Yes. Postiz includes a REST API on all paid plans and webhooks on Standard and above, enabling integration with n8n, Make.com (formerly Integromat), Zapier, and any custom tool. The official GitHub repository shows example n8n workflows — including one that automatically adds new Google Sheets rows to your Postiz queue, a popular setup for content teams that plan their calendar in spreadsheets.