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How to Publish to Multiple Social Networks with One API

Use Postifys to publish videos and images to Facebook, Instagram, YouTube, Pinterest, LinkedIn, and TikTok through one API key while respecting platform-specific endpoints and limits.

Reviewed: 2026-07-24

Answer: Create a Postifys account, connect each destination, generate an API key, then call platform endpoints such as /api/facebook/post and /api/instagram/post. Keep payloads platform-specific; unified auth does not mean identical fields.

Who this is for

Developers and automation teams who need multi-network publishing without maintaining six OAuth stacks.

Steps

  1. Follow Getting started.
  2. Connect destinations and verify with Authentication.
  3. Publish using Create a post examples.
  4. Track failures with Errors and Post History.
TikTok uses creator-inbox upload; LinkedIn targets member profiles only.

Create account · Compatibility matrix

Technical reviewer: Postifys engineering (docs sourced from live API behavior). Contact info@postifys.com.