Postifys Docs

Developer documentation for Postifys: getting started, authentication, and creating social posts through the publishing API and n8n.

Last updated: 2026-07-24 · Technical source: live Postifys API behavior and API reference

Quick answer: Create a Postifys account, connect a social destination, generate an API key in Settings, then publish with platform endpoints such as POST /api/facebook/post using Authorization: Bearer YOUR_API_KEY.

Getting started

Account setup, connect platforms, first successful publish checklist.

Open guide →

Authentication

API keys, Bearer / X-API-Key headers, key test endpoint, session vs key access.

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Create a post

Platform publish endpoints, cURL/JS examples, TikTok inbox limitation.

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Media requirements

proxyDownload, Drive/Dropbox, platform media rules, and media queue APIs.

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Errors

JSON error shape, common publish failures, and recovery checklist.

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Full API reference

Complete endpoint field lists, history, connections, and platform notes.

Open reference →

Platform docs

Facebook

/api/facebook/post

Open Facebook docs →

Instagram

/api/instagram/post

Open Instagram docs →

YouTube

/api/youtube/post

Open YouTube docs →

Pinterest

/api/pinterest/post

Open Pinterest docs →

LinkedIn

/api/linkedin/post

Open LinkedIn docs →

TikTok

/api/tiktok/post

Open TikTok docs →

Supported destinations

Honest limits: Endpoints remain platform-specific. Unified auth does not mean identical payloads. TikTok currently uses creator-inbox delivery unless Direct Post is separately approved.