PostZen helps get users for my mobile app with social automations. The MCP was easy to connect and everything just works.
Morgan Kievits
Founder, Psyche Meditations
Trusted by 2,000+ usersThe Social Media API for
Developers and AI Agents
Add social features to your apps and AI agents in minutes. PostZen is a unified social media API to publish, schedule, and analyze posts across 10 channels.
No credit card required
TypeScript
import PostZen from '@postzen/node'
const postzen = new PostZen()
// 1. Connect any of 10 channels via OAuth
const { authUrl } = await postzen.accounts.connect({ platform: "instagram", profileId });
// 2. Publish everywhere in one call
await postzen.posts.post({
body: {
content: 'New feature drop',
mediaItems: [{ url: 'https://example.com/demo.mp4' }],
platforms: [
{ platform: 'instagram', accountId: instagramId },
{ platform: 'linkedin', accountId: linkedinId },
{ platform: 'tiktok', accountId: tiktokId },
],
},
})2.3M+
Posts delivered
99.97%
API uptime
2,000+
Active developers
< 50ms
Average response
Before VS After
Skip the integration nightmare
Every social platform has its own developer app, review process, token lifecycle, and media rules. PostZen replaces all of it with one integration.
Building it yourself
- 10 developer apps, 10 OAuth flows, 10 app reviews
- 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
- App review rejections and delays that block your launch
- Quota restrictions that limit your users and frustrate your team
2.3M+ posts
2,000+ users- 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
How it Works
Post everywhere in 3 steps
Go from signup to your first post across social platforms in under 5 minutes.
01. Get your API key
Sign up and grab your key in seconds. No sales call, no demo gate.
02. Connect channels
Link social accounts through one OAuth flow. No developer app reviews needed.
03. Launch
Send one API request and you just added social media to your stack.
What You Can Do
Everything you need to ship social features
One unified social API for planning, publishing, media management, and performance tracking.
See all features →- Scheduling Posts & CommentsPlan and queue content across all connected channels in one place. Keep your publishing consistent with less manual posting.
- AnalyticsGet rich analytics on post performance and audience behavior, including age ranges, demographic splits, and engagement trends.
- Post HistoryImport past posts into one unified timeline to review what performed best, compare results over time, and reuse winning content ideas.
Reach Everyone
Publish Across 10 Social Networks with One API
Post to Facebook, X, Bluesky, Instagram, LinkedIn, Telegram, TikTok, Threads, Pinterest, and YouTube through a single API. New platforms are added without changing your integration.
Start for Free →Testimonials
Loved by 2,000+ users
Here's what some of our users have to say about PostZen.
Our agent sends drafts for approval and schedules them for us. I can track everything without jumping between dashboards.
Allan Chen
Agency Owner
I gave the docs to Claude Code and it helped me integrate social features for my web app in 30 mins.
Dan
Founder
The team adopted it overnight. Documentation and MCP are spot on.
Amy O.
Marketer, Vast Inc.
PostZen handles all of our backend social scheduling now, highly recommend their product and team.
Alex Park
Developer, Lumen
Support was unreal. We went from knowing nothing about social APIs to a full integration in 2 hours.
Henry Mason
Developer
FAQ
Frequently asked questions
Still have questions?
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 and a hosted MCP server so agents can post, schedule, and manage social accounts through natural language.
Which social media platforms does PostZen support?
Instagram, TikTok, X, LinkedIn, Facebook, Threads, YouTube, Pinterest, Bluesky, and Telegram.
Start Building in Minutes
Grab your API keys, make your first request, and start posting in minutes.
Start for Free