Developers
Build on Tesselith
Schedule and queue posts from your own code, get signed webhooks the moment they publish, and handle every error with a stable code.
Tesselith API: Getting Started Guide
Authenticate, create a draft, schedule or queue it across networks, upload media and handle errors, limits and retries with the Tesselith REST API.
API Error Codes
Every error code the Tesselith REST API returns, what it means and what to do about it, with retry rules and an example handler.
Webhooks: Real-Time Events From Tesselith
Get a signed HTTP request when posts publish or fail, queues change or channels disconnect. Verify Standard Webhooks signatures, handle retries, replay.
Connect Claude and Other AI Assistants to Tesselith (MCP)
Connect Claude, Claude Code, ChatGPT or Cursor to Tesselith's MCP server to draft, queue and schedule social posts by chat. Setup, tools and permissions.
Interactive API reference
Every endpoint and schema, with try-it requests against your own key.
OpenAPI 3.1 document
Generate a typed client in any language from the same schemas the server validates with.