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Unified Social Media Posting API

Social Media Posting API

Post and schedule across all major social platforms with one API. Skip months of building and maintaining integrations yourself.

  • Post to 8+ platforms with a single API call
  • Images, videos, carousels, Stories, Reels, and Shorts
  • No developer apps needed, OAuth handled for you
  • Unlimited connected social accounts on every plan
Start Posting for FreeView Docs
No credit card required.
POST https://api.postpeer.dev/v1/posts
{ "platforms": ["twitter", "linkedin"], "content": "Hello world!" }
Published
2 platforms
TwitterLinkedIn
All posts delivered
Scheduled
queue
12
Queued
847
Sent
Next: in 15 min
Platforms
connected
XLIFBTT
One API, every platform
DF

"I was up and running on six different platforms in under 30 minutes. Strongly recommend!"

David Flor, Founder at Darklight Interactive

Divanshu KhatterMarketing Manager at Sembark

"Couldn't figure out the official Pinterest API. PostPeer was smooth. Using it daily."

Divanshu Khatter, Marketing Manager at Sembark

Het TikawalaFounder at Kalizzle AI Studio

"Great integration experience. Jonathan ships fixes within hours. Mad respect for the speed."

Het Tikawala, Founder at Kalizzle AI Studio

Add Social Media to Your Product in Three Steps

Connect once, then publish, schedule, and read data through the same API.

01

Get Your API Key

Sign up and get your API key instantly. No sales calls or complicated setup.

02

Integrate in Minutes

Connect once to PostPeer to publish, schedule, analyze, manage comments, and handle messages.

03

Support Every Major Platform

Give your users access to major social platforms without building and maintaining each integration yourself.

New to PostPeer? Read the getting started guide

One Request. Structured Response.

Clean, predictable JSON that's easy to parse and integrate.

POSTRequest
curl -X POST https://api.postpeer.dev/v1/posts \
  -H "x-access-key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "content": "Launching our new feature today!",
    "mediaItems": [
      { "type": "image", "url": "https://example.com/launch.png" }
    ],
    "platforms": [
      { "platform": "twitter", "accountId": "acc_tw_123" },
      { "platform": "instagram", "accountId": "acc_ig_456" },
      { "platform": "facebook", "accountId": "acc_fb_789" },
      { "platform": "tiktok", "accountId": "acc_tt_012" }
    ],
    "publishNow": true
  }'
JSONResponse
{
  "postId": "post_abc123",
  "status": "published",
  "platforms": [
    {
      "platform": "twitter",
      "success": true,
      "platformPostUrl": "https://x.com/user/status/123"
    },
    {
      "platform": "instagram",
      "success": true,
      "platformPostUrl": "https://instagram.com/p/abc"
    },
    {
      "platform": "facebook",
      "success": true,
      "platformPostUrl": "https://facebook.com/post/456"
    },
    {
      "platform": "tiktok",
      "success": true,
      "platformPostUrl": "https://tiktok.com/@user/video/789"
    }
  ]
}

Why Choose PostPeer

Build the social experience your users need while PostPeer handles the platform-specific complexity behind it.

Unified Multi-Platform Posting

Send one request and publish to Twitter, Instagram, YouTube, TikTok, Facebook, Pinterest, Threads, and more simultaneously. Platform-specific formatting is handled automatically.

Rich Media Support

Upload images, videos, carousels, Reels, Shorts, and Stories. PostPeer validates and optimizes media for each platform's requirements before publishing.

Zero OAuth Complexity

Your users connect social accounts through PostPeer's OAuth flow. No need to create developer apps, manage tokens, or handle refresh logic.

Platform-Specific Features

Access native features for each platform, Twitter polls, YouTube tags, TikTok privacy settings, Pinterest board targeting, and more via the platformSpecificData field.

Real-Time Post Status

Get instant feedback on every post. The API returns platform-specific post URLs and IDs so you can track content across all networks.

Built for Scale

From 20 free posts to unlimited. Automatic rate limit handling, retry logic, and queuing so your content always gets delivered.

Post on All Social Media Platforms via One API

Start with one unified request. Go deeper whenever your product needs a network's native publishing features.

Twitter / X API

Publish tweets, threads, polls, replies, Community posts, images, GIFs and video.

Explore API

Instagram API

Publish feed posts, Reels, image carousels, videos and Stories programmatically.

Explore API

YouTube API

Upload and publish videos and Shorts with titles, descriptions, tags and visibility settings.

Explore API

Facebook API

Publish posts, photos, photo carousels, videos and link previews to Facebook Pages.

Explore API

TikTok API

Publish videos, photos and photo carousels with platform-specific privacy controls.

Explore API

Threads API

Publish text, images, image carousels and videos to Threads.

Explore API

Pinterest API

Create image Pins and publish them to the right Pinterest board from your application.

Explore API

LinkedIn API

Publish text, image and video updates to LinkedIn profiles and company pages.

Explore API

Bluesky API

Publish text, images and link cards through a simple REST request.

Explore API

Google Business API

Publish Google Business Profile updates, offers and events programmatically.

Explore API

Go Beyond Publishing. Build the Complete Workflow.

Give your users scheduling, analytics, comments, and messaging through one PostPeer integration.

Scheduling API

Schedule, reschedule, or cancel content across supported platforms with precise publishing controls.

Explore the Scheduling API

Analytics API

Retrieve normalized performance metrics for dashboards, reports, and automated workflows.

Explore the Analytics API

Comments API

Read, reply to, hide, or delete supported comments directly from your product.

Explore the Comments API

Messaging API

Read and reply to supported customer messages through one connected API.

Explore the Messaging API

One Integration. Every Way to Build.

Start with REST, use a typed SDK, connect an automation workflow, or hand the job to an agent. The same PostPeer API powers every path.

01

REST API

Docs

One predictable endpoint for every supported platform. Connect accounts once, then publish everywhere.

02

SDKs

Node.jsPython

Typed, drop-in Node.js and Python clients generated from the same API contract.

03

No-Code Automation

Docs

Build social publishing and scheduling workflows without creating a custom backend.

04

AI Agents & MCP

Docs

Give Claude, Cursor, Codex or your own agent access through hosted MCP, Agent Skills or REST tool calling.

publish.js
const response = await fetch(
  'https://api.postpeer.dev/v1/posts',
  {
    method: 'POST',
    headers: {
      'x-access-key': process.env.POSTPEER_API_KEY,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      content: 'Hello from PostPeer!',
      platforms: [
        { platform: 'twitter', accountId: 'acc_twitter' },
        { platform: 'linkedin', accountId: 'acc_linkedin' },
      ],
      publishNow: true,
    }),
  },
);

const post = await response.json();
One request · Twitter + LinkedIn

Frequently Asked Questions

Power Your Next Project With a Unified Social Media API

Give your users posting, scheduling, analytics, and engagement features through one API your team can maintain.

Start with 20 free credits. No credit card required.

Start Posting for FreeRead the Docs