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PostZen

The Postiz Alternative for managed REST publishing

Postiz is a broad scheduler with AI agents, a visual calendar, 30+ networks, public API, OAuth2, SDK, CLI, MCP, cloud plans, and self-hosting. PostZen is a managed REST API for apps that need publishing without operating a scheduler.

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// Simple API key authentication
fetch('https://api.postzen.dev/v1/posts', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer POSTZEN_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    platforms: ['instagram', 'twitter', 'linkedin'],
    content: 'Hello world!'
  })
})

Postiz is a scheduler product with developer surfaces.

Postiz covers scheduling, AI workflows, calendar views, self-hosting, public API, OAuth2, SDK, CLI, and MCP. PostZen matches the developer surfaces — REST API, SDKs, CLI, and MCP server — for teams that want managed publishing while their own product owns the UI, approval state, and customer workflow.

API FIT

Where PostZen and Postiz differ

PostZen

PostZen

  • One REST API for posting and scheduling across Instagram, X, LinkedIn, Facebook, Threads, YouTube, TikTok, Pinterest, and Bluesky.
  • Hosted account connection flow through /v1/connect/{platform}, plus account and profile APIs.
  • Media upload support through /v1/media/presign before creating posts.
  • API keys, platform targets, custom platform content, drafts, publish-now, and scheduled post modes.
  • Node and Python SDKs, a postzen CLI, and an MCP server for AI agents — all generated from the same OpenAPI spec.
  • Connected-account pricing: first 2 accounts are free, then $6/account for accounts 3-10, $3/account for 11-100, and $1/account for 101-2,000.
Postiz logo

Postiz

  • Cloud and self-hostable social media scheduler with AI agents and a visual calendar.
  • Markets 30+ social networks and developer surfaces for public API, OAuth2, SDK, CLI, and MCP.
  • Cloud plans start at $29 per month, with channel and post quotas by plan.
  • Public API docs list a 100 requests per hour cloud limit on the create-post endpoint.
  • Strong fit when the buyer wants the scheduler product or self-hosting path.

FEATURE COMPARISON

PostZen vs Postiz

Feature comparison between PostZen and Postiz
FeaturePostZenPostiz
Primary fitManaged REST publishing infrastructure for your productCloud and self-hostable social scheduler product
User workflowYour app owns UI and statePostiz calendar, AI, automation, and scheduler workflows own the experience
HostingManaged API serviceCloud or self-hosted options
API scopePosts, media, accounts, profiles, connect — plus SDKs, a CLI, and an MCP serverPublic API, OAuth2, SDK, CLI, MCP, and scheduler product features
Create-post API limitCheck current PostZen public docs for active account limits100 requests per hour on cloud, 90 by default for self-host
Platform coverageNine public marketing platforms30+ networks marketed by Postiz
Pricing noteFirst 2 connected accounts free, then connected-account tiersCloud plans listed from $29 per month as of July 1, 2026

WHY POSTZEN

Managed publishing without scheduler operations

PostZen gives product teams the publishing capability without turning a scheduler into infrastructure they maintain.

No self-hosting project

Use the managed API and keep your team focused on your product.

Small public contract

Start with connect, account/profile lookup, media upload, and post creation.

Your AI workflow stays first-party

Let your own agent or app decide content and approval state, then call PostZen to publish.

WHICH ONE?

Choose based on the workflow you are building.

Choose PostZen if you:

  • You want managed publishing infrastructure instead of operating a scheduler.
  • You need API building blocks for your own product UI.
  • You support PostZen-marketed platforms and want a smaller contract.
  • You want to skip self-hosting, plugin maintenance, and scheduler operations.

Choose Postiz if you:

  • You want an open-source social scheduler with cloud and self-hosted options.
  • You need Postiz marketed 30+ network coverage.
  • You want the Postiz visual calendar, AI agent, or existing scheduler workflows.

Need managed API primitives instead of a scheduler product?

PostZen keeps the publishing layer managed while your product owns the customer experience.

COMMON QUESTIONS

Is PostZen open source like Postiz?
No. PostZen is a managed API service. Choose Postiz if open-source or self-hosting is a core requirement.
Does PostZen have an MCP server or CLI?
Yes. PostZen ships an MCP server and a postzen CLI alongside its Node and Python SDKs. All of them are auto-generated from the same OpenAPI spec as the REST API, so they always match the current API surface.
Why choose PostZen over Postiz?
Choose PostZen when you want managed REST API infrastructure and your own product owns the scheduler UI, AI flow, and user workflow.
How do Postiz API limits affect this comparison?
Postiz docs list a 100 requests per hour cloud limit and a 90 requests per hour default self-host limit for the create-post endpoint. That can fit scheduler workflows, but product teams should check whether it fits their posting volume.

READY TO BUILD

Ready for a real API?

Start with the free plan. No credit card required. See why developers choose PostZen.

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