psk_live_…) or Unified MCP (Cursor, Claude, ChatGPT).
Product map (publishing, AI Watcher, personas, agents, clients): Features overview.
Supported platforms
Unified publishing (8) + Snapchat OAuth + WhatsApp agent:TikTok
YouTube
Threads
Bluesky
Snapchat
Two ways to integrate
| Method | Base URL | Best for |
|---|---|---|
| REST API | https://backend.postsiva.com | Scripts, n8n, Zapier, your backend |
| Unified MCP | https://mcp.postsiva.com/mcp | AI agents in Cursor, Claude Desktop, MCP clients |
X-Workspace-Id header required (optional; must match if sent).
API-first design
Every feature available in the Postsiva web app is exposed programmatically:- REST endpoints return JSON
- MCP tools mirror the same backend logic as the WhatsApp/website agent
- GPT Actions (
/unified/gpt-actions/*) expose a REST mirror for ChatGPT Custom GPTs
How to get started
Use the Postsiva web app first, then call the REST API (or MCP) with your workspace API key.Sign up or log in
Go to postsiva.com — create an account or log in.
Create a workspace
Create a workspace (or join one via invite). All connected accounts, posts, and API keys belong to that workspace — use the workspace switcher to confirm you’re in the right one.
Connect your social accounts
Open Settings → Integrations and connect LinkedIn, Instagram, Facebook, TikTok, YouTube, Threads, Pinterest, Bluesky, etc. Finish OAuth for each network (Bluesky: handle + app password).
Call the API
Send requests to
https://backend.postsiva.com with header X-API-Key: psk_live_…. Start with the Quickstart or Complete setup.API keys and MCP require the Pro plan (
api_keys_enabled + mcp_enabled). Free and Starter plans use the web app only.All posting parameters
Full per-platform body fields for text, image, carousel, and video (LinkedIn pages, Facebook pages, TikTok privacy, YouTube title, Pinterest board, …).