Postiz is an open-source social media scheduling platform that enables users to plan, create, schedule, and analyze content across 18+ platforms including X (Twitter), Instagram, TikTok, LinkedIn, Bluesky, Mastodon, Discord, and YouTube. Built for creators, agencies, and businesses, it solves the fragmentation problem of managing multiple social channels by unifying scheduling, AI-assisted content creation, and analytics in one self-hosted solution. Unlike SaaS alternatives, Postiz gives full control over data and infrastructure while eliminating recurring fees.
Technically, Postiz is a monorepo built with Next.js (React), NestJS, Prisma (PostgreSQL), Temporal for workflow orchestration, and Resend for email notifications. It supports public APIs, n8n, Make.com, and Zapier integrations, and uses OAuth flows for secure platform authentication without storing API keys. The tool is designed for both hosted and self-hosted deployment with Docker support.
What You Get
- Multi-Platform Scheduling - Schedule and auto-post content to X, Instagram, TikTok, LinkedIn, Bluesky, Mastodon, Discord, YouTube, Reddit, Pinterest, Slack, and 10+ other platforms from a single dashboard.
- AI Content Assistant - Generate post captions, hashtags, and content ideas using integrated AI agents that adapt to your brand voice and audience.
- AI Image Generator - Create custom social media visuals with a Canva-like editor powered by AI, eliminating the need for external design tools.
- Team Collaboration - Invite team members to comment, approve, and schedule posts with role-based permissions and task delegation.
- Auto Actions - Automate engagement by triggering auto-likes, auto-comments, or auto-posts when posts reach specific engagement milestones.
- Comprehensive Analytics - Track post performance, follower growth, and engagement rates across all connected platforms with unified metrics and exportable reports.
- Public API & Integrations - Connect Postiz to n8n, Make.com, Zapier, or custom scripts via a documented REST API and official Node.js SDK.
- Self-Hosted & Open Source - Deploy on your own server with Docker; no data leaves your infrastructure, and you can modify the code under AGPL-3.0 license.
Common Use Cases
- Running a multi-platform creator brand - A content creator uses Postiz to schedule daily TikTok, Instagram Reels, and X posts with AI-generated captions and visuals, then tracks engagement across all platforms from one dashboard.
- Managing client social media for an agency - A digital agency uses Postiz to manage 20+ client accounts on LinkedIn, Facebook, and YouTube with team workflows, approval queues, and branded analytics reports.
- Automating a business’s social calendar - A SaaS company auto-schedules product launch content across X, LinkedIn, and Discord using AI-generated copy and scheduled image generation, triggered by their CRM via n8n.
- Reducing SaaS costs for social tools - A solopreneur self-hosts Postiz to replace Buffer and Hypefury, eliminating $50/month fees while gaining AI content tools and full data ownership.
Under The Hood
Architecture
- Monorepo structure with distinct applications (backend, frontend, orchestrator, extension, CLI) managed via pnpm workspaces, enabling independent development and deployment
- NestJS backend organized into modular components with dependency injection and REST-conformant controllers, supporting multi-tenant operations through isolated service layers
- Centralized Prisma ORM in a shared library ensures consistent database abstraction across services, complemented by Temporal.io for fault-tolerant workflow orchestration
- AI-powered automation layers via Mastra and CopilotKit enable agent-based content workflows, moving beyond traditional scheduling into intelligent content generation
Tech Stack
- Node.js backend powered by NestJS with Prisma and PostgreSQL, backed by Redis for caching and throttling
- Frontend built with Next.js and Mantine UI, leveraging server-side rendering and type-safe component architecture
- Distributed orchestration using Temporal.io with PostgreSQL and Elasticsearch for workflow persistence and search
- Infrastructure defined through Docker Compose with integrated monitoring tools and CI/CD pipelines for automated quality assurance
Code Quality
- Inconsistent code organization across multiple frameworks, leading to fragmented architecture and unclear boundaries
- Limited testing with no meaningful assertions, reducing confidence in system reliability
- Generic error handling and absence of custom error classes or structured logging hinder debuggability
- Varied naming conventions and inconsistent type usage undermine maintainability and developer onboarding
What Makes It Unique
- Native Web3 authentication via Farcaster and wallet integration enables decentralized user onboarding in a social automation context
- Proprietary AI-driven content extraction and auto-complete libraries create a differentiated content intelligence layer
- Pluggable integration manager allows seamless addition of niche platforms without core system changes
- Dynamic feature gating tied to user tier state and real-time analytics pipelines enable sophisticated usage-based monetization