Unified Social Media API

Unified Social Media API for Developers

The single social media posting API and automation layer to publish, schedule, connect OAuth accounts, upload media, and track analytics across 15 platforms.

Last updated: July 2026

Free tier available. 14-day free trial. Production-ready REST & SDKs.

API key authScheduled publishing15 platforms
Quick start
API request
1const response = await fetch("https://api.bundle.social/api/v1/post", {2  method: "POST",3  headers: {4    "x-api-key": process.env.BUNDLE_SOCIAL_API_KEY,5    "Content-Type": "application/json"6  },7  body: JSON.stringify({8    teamId: "team_123",9    title: "Multi-platform campaign",10    postDate: "2026-05-14T10:00:00.000Z",11    status: "SCHEDULED",12    socialAccountTypes: ["TWITTER", "LINKEDIN", "INSTAGRAM", "TIKTOK", "FACEBOOK"],13    data: {14      TWITTER: { text: "Campaign is live." },15      LINKEDIN: { text: "We shipped a new product workflow today.", uploadIds: ["upload_li_img"] },16      INSTAGRAM: { type: "REEL", text: "Launch day.", uploadIds: ["upload_reel_123"] },17      TIKTOK: { type: "VIDEO", text: "Launch day behind the scenes.", uploadIds: ["upload_tiktok"] },18      FACEBOOK: { text: "Check out our new launch.", link: "https://example.com" }19    }20  })21});
Official APIs500k+ connected accountsDirect engineer support

A pile of disconnected native integrations

Native APIs rarely agree on auth, media handling, analytics shape, publishing lifecycle, or error semantics.
Teams build a private abstraction layer before they can ship the feature users asked for.
Every new platform becomes another maintenance surface for app review, tokens, quotas, and reporting.

What bundle.social handles

Use bundle.social as the abstraction layer for common social workflows while native constraints remain explicit.
Build one product experience across social platforms instead of shipping every integration separately.
Combine API automation with a dashboard for customers, marketers, and support teams.

One API layer, many native realities

A unified API should not pretend every platform is identical. bundle.social normalizes the workflow while keeping platform-specific fields visible. Post to Instagram, TikTok and Twitter via one API call.

Workflow

How it works

Connect accounts once, then create and schedule posts with channel-specific fields from one API.

01

Create an API key

Generate an organization API key and use it from your backend with the x-api-key header.

02

Connect accounts

Connect the social accounts your product, agent, or customer workflow should manage.

03

Run the workflow

Call the API with platform-specific data while bundle.social tracks status, context, and dashboard visibility.

Product architecture

A Powerful Social Media Posting API & Automation Engine

From a social media posting API to a social media automation API

Most products start with a simple social media posting API requirement: publishing content across multiple social channels. As your application grows, that posting API must evolve into a full social media automation API handling scheduled queues, async video processing, OAuth tokens, and error recovery.

bundle.social is designed to keep those workflows on one integration surface. The same REST API covers publishing automation, scheduled campaigns, video and image uploads, cross-platform reporting, comment workflows, and account-level visibility. If your roadmap starts with publishing, the posting API is the natural next page. If timing and queues are central to your use case, the scheduling API explains how scheduled publishing fits into the stack. For files, videos, images, and platform-specific upload requirements, go to the media upload API.

Why a unified social media API matters when your product starts scaling

A unified social media API becomes important the moment your product needs more than one native integration. Posting to one platform is manageable. Supporting publishing, scheduling, media uploads, account connection, analytics, comments, webhooks, and post history across many platforms is a different problem. Every social network has its own permissions, JSON payload shape, media rules, rate limits, review process, and error behavior. Without an abstraction layer, your engineering team ends up maintaining infrastructure instead of building the product users actually pay for.

bundle.social gives developers a single social layer for core social workflows while keeping native platform differences visible where they matter. That means you can build one user experience for your SaaS, internal tool, AI workflow, agency platform, or content distribution system, while still supporting channel-specific requirements. For a broader overview, start with the social media API page.

A social media API for developers, not a lowest-common-denominator wrapper

A unified API should not flatten every platform into the same weak object. Instagram Reels, TikTok videos, LinkedIn company pages, YouTube metadata, X posts, Facebook pages, and Google Business Profile updates all have different rules. The useful version of unification is not pretending they are identical. It is giving your backend one workflow, one authentication model, one status lifecycle, and one integration surface, while still allowing platform-specific fields when your product needs them.

That is exactly the kind of infrastructure developers need when building social media integrations for startups, SaaS products, internal dashboards, AI agents, marketing automation tools, and creator platforms. You can connect accounts, create posts, schedule content, upload media, track status, inspect failures, and build customer-facing features without owning every native API edge case yourself. When you need implementation details, use the API reference as the technical source of truth.

Build faster without inheriting every native API problem

Native APIs are still the foundation, but they should not become the main job of your product team. A good unified social media API helps you ship faster, reduce maintenance, and give customers a better experience when something fails. Instead of hiding errors behind vague messages, bundle.social exposes readable failure states and dashboard visibility so developers, support teams, and customers can understand what happened.

This is especially useful for products that manage many users, workspaces, accounts, and publishing workflows. A startup can validate a social media feature without spending months on connectors. A SaaS platform can add cross-platform publishing without turning integrations into a permanent backlog. An agency tool can support many client accounts without building fragile platform-specific logic from scratch. In short: bundle.social is the social media infrastructure layer for teams that want account connection, posting, scheduling, uploads, analytics, comments, and webhooks through one developer-friendly API, without pretending the native platforms are simple.

Implementation

Social media automation API internals: OAuth 2.0, rate limits, and webhooks

What the automation layer does between your POST request and a published post, so you do not have to build it per platform.

OAuth 2.0 token lifecycle

Accounts connect through official OAuth 2.0 flows. Tokens are stored, refreshed, and revalidated for you, so your backend never implements per-platform refresh or expiry rules.

Rate limits and retry policy

Requests are queued per connected account against each platform's published rate limits. Transient failures retry with backoff; terminal failures return a readable error instead of a silent drop.

Async media processing

Video and image uploads are processed asynchronously: transcoding plus aspect ratio and duration validation per channel, then the upload IDs you reference in the post JSON payload.

Webhooks instead of polling

Subscribe to publish, failure, and retry events over HTTPS webhooks so your application reacts to post state changes without polling the REST API.

Capabilities

Core Social Media API Capabilities for Developers

Posting is only the start: account connection, media, status, comments, analytics, and webhooks belong in the same integration surface.

Automated Posting & Scheduling API

Native support for single posts, carousels, video reels, and long-form scheduling with precise rate-limit handling and channel-specific payload overrides.

Single API key workflow

Create posts and query social data from server-side automations without distributing platform credentials. Securely manage access across your entire organization.

Platform-specific fields preserved

Instagram Reels, LinkedIn company pages, TikTok privacy fields, and YouTube metadata stay explicit. You never lose access to native features when unifying.

Shared dashboard fallback

When customers need review or support needs to inspect a failure, the same objects appear in the dashboard. Reduce engineering support tickets significantly.

Expansion beyond posting

Add analytics, post history, comments, webhooks, and account connection without replacing the first integration. Scale your product features faster.

REST API with typed SDKs

Predictable JSON payloads over HTTPS, OAuth 2.0 handled on our side, delivery webhooks for publish and failure events, and typed SDKs when you do not want to hand-roll HTTP calls.

Developer example

Create a unified social post

Examples use bundle.social's public API shape: API key authentication, a post date, selected social account types, and platform-specific data.

Most popular APIs

Every platform key in the example has its own reference page covering payload rules, media requirements, and error behavior.

TypeScript
API request
1const response = await fetch("https://api.bundle.social/api/v1/post", {2  method: "POST",3  headers: {4    "x-api-key": process.env.BUNDLE_SOCIAL_API_KEY,5    "Content-Type": "application/json"6  },7  body: JSON.stringify({8    teamId: "team_123",9    title: "Multi-platform campaign",10    postDate: "2026-05-14T10:00:00.000Z",11    status: "SCHEDULED",12    socialAccountTypes: ["TWITTER", "LINKEDIN", "INSTAGRAM", "TIKTOK", "FACEBOOK"],13    data: {14      TWITTER: { text: "Campaign is live." },15      LINKEDIN: { text: "We shipped a new product workflow today.", uploadIds: ["upload_li_img"] },16      INSTAGRAM: { type: "REEL", text: "Launch day.", uploadIds: ["upload_reel_123"] },17      TIKTOK: { type: "VIDEO", text: "Launch day behind the scenes.", uploadIds: ["upload_tiktok"] },18      FACEBOOK: { text: "Check out our new launch.", link: "https://example.com" }19    }20  })21});

Supported content

PublishingSchedulingOAuthAnalyticsCommentsWebhooks

Honest limitations

  • Native API availability still varies by platform and account type.
  • A unified workflow cannot bypass app review, content policy, or permission restrictions.
  • Some advanced platform features remain platform-specific by design.

Guarantees

Developer-first infrastructure

Visible post status

Track scheduled, processing, posted, retrying, and error states per post.

Verbose errors

When native APIs fail, we return human-readable error messages and actionable recovery steps.

Flat pricing

No per-post counting. Predictable pricing for teams managing many users, workspaces, and connected accounts.

Same-day support

Direct access to the engineers building the API. We respond to technical issues the same day, sometimes the same hour.

Resources

Technical guides & documentation

FAQ

Questions developers ask before building

Is this a wrapper around native social APIs?

Yes. bundle.social runs on top of native platform APIs and provides one workflow for the product layer around them.

Can I still access platform-specific options?

Yes. Platform payloads keep channel-specific fields so unification does not flatten important capabilities.

Who is this for?

SaaS products, AI agents, agencies, internal tools, and developer teams that need social workflows without owning every integration.