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Postly API
Connect your apps to the world. A robust, developer-first REST API designed for scale, speed, and simplicity.
Essentials
Core integration blueprints for your team.
📊
PopularGoogle Sheets Bulk
The easiest way to automate content. Sync rows directly to your social queues.
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✍️
SpecsText, Image, Video & URL Formats and Limits
Everything you need to know about file formats and limits.
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📽️
AssetsImage & Video Upload Limits
Everything you need to know about image and video upload limits.
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Connection Architecture
Postly separates Accounts from Pages. Accounts require dashboard OAuth for security, while Page toggling is fully programmatic.
1
Connect the parent account (e.g. Meta) via Dashboard.
2
Fetch available Pages/Sub-accounts via API.
3
Toggle 'connected' state to manage channel slots.
Multi-Page Platforms
FB PagesLinkedIn OrgGMBYouTube
Direct Connect
InstagramTikTokXThreadsBluesky
List Pages
Discovery endpoint for connection IDs
GET /v1/workspaces/{id}/socials/{platform}/pagesUpdate Connections
Requires available channel slots
POST /v1/workspaces/{id}/socials/{platform}/pages
{
"pages": [{ "id": "p_123", "connected": true }]
}