How fast can I integrate PostZen compared to building custom integrations?

Custom integrations take months. PostZen social media API takes under an hour.

Do I need to create developer apps for each platform?

No. We handle developer apps, approvals, and platform-specific limits for you.

How reliable is the scheduling?

We transform content for each platform's requirements. Posts go out on time without custom retry logic.

Is PostZen white-label friendly?

Yes. Your users never need to see PostZen branding.

Will posting through PostZen get my accounts banned or reduce reach?

No. We use official platform APIs, so posts are treated like native posts.

Can AI agents use PostZen to post on social media?

Yes. PostZen uses a documented API so agents can post, schedule, read analytics, and manage social workflows through natural language.

Trusted by 2,000+ developers

The Social Media API for Developers and AI Agents

One REST API to publish and schedule posts across Instagram, X, LinkedIn, Facebook, Threads, YouTube, and TikTok. No developer apps, no OAuth maze.

Start for Free

No credit card required
First post in under an hour
Cancel anytime

TypeScript

const post = await fetch("https://api.postzen.com/v1/posts", {
  method: "POST",
  headers: { "Authorization": `Bearer ${POSTZEN_API_KEY}` },
  body: JSON.stringify({
    text: "New feature drop",
    channels: ["instagram", "linkedin", "tiktok"],
    mediaUrls: ["https://example.com/demo.mp4"],
    scheduledFor: "2026-06-15T09:00:00Z"
  })
});

Publish everywhere from one endpoint

2.3M+

Posts delivered

99.97%

API uptime

2,000+

Active developers

< 50ms

Average response

Build vs Buy

Skip the integration treadmill

Every platform has its own developer app, review process, token lifecycle, and media rules. PostZen replaces all of it with one integration.

Building it yourself

7 developer apps, 7 OAuth flows, 7 app review processes
Token refresh, rate limits, and retry logic per platform
Media specs and API rules that change without warning
Months of integration work before your first post

With PostZen

One API key and one OAuth flow for every platform
Tokens, rate limits, and retries handled for you
Media validated and transformed per platform automatically
First post in production in under an hour

Teams ship with PostZen in hours — not months.

What You Can Do

Everything you need to ship social features

Connect accounts, publish, upload media, and react to events — four predictable endpoints cover the whole publishing lifecycle.

GET/connect/{platform}

One OAuth flow for every platform. No dev apps needed.

POST/posts

One call, 7 platforms. Text, image, video, or carousel.

POST/media

Forget complicated storage, upload media directly.

POST/webhooks/settings

Posts published? Failed? Get pinged instantly. No polling required.

See all endpoints →

How it Works

Live in three steps

Go from signup to your first post across multiple social media platforms in under 5 minutes.

Step 1

Get your API key

Step 2

Connect accounts

Link social accounts through one OAuth flow. No platform developer apps needed.

Step 3

Launch

Send one POST request and you just added social media to your stack.

Testimonials

Trusted by global builders

Thanks for PostZen - I found it yesterday and already have our first multi-platform posting flow running in production.

Jordan Lee

Founder, Northstar Labs

We added PostZen to our SaaS in one afternoon. The API is straightforward, and the OAuth flow saved us from building seven separate integrations.

Maya Patel

Founder, LaunchQueue

I spent weeks comparing social APIs for an internal automation project. PostZen was the first one that felt simple enough to hand to an agent.

Owen Brooks

Automation Engineer

An API-first social scheduler is exactly what our agency needed. PostZen cut out a lot of manual publishing work without changing our review process.

Ari Morgan

Social Operations Lead

Setup was fast, reliability has been solid, and our team can still customize captions per platform from the same source content.

Elena Torres

Content Systems Manager

PostZen makes programmatic social posting as clean as I've seen it. The endpoints are predictable, the docs are clear, and it just works.

Caleb Reed

Product Engineer