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.

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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.

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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 API guide →

TikTok

/api/tiktok/post

Open TikTok docs →

Supported destinations

Platform-specific requirements: Unified auth does not mean identical payloads. TikTok Direct Post requires an explicit privacy choice, user consent, Music Usage Confirmation, and options allowed by the connected creator account. Draft Upload remains optional.

Related: n8n node · workflow templates · guides · compatibility matrix · TikTok inbox vs Direct Post

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