Documentation

Connect OpenTG to your code with the REST API, or to your AI agent with the MCP server.

For developers
REST API

JSON endpoints for search, channels, posts and live lookups, with an OpenAPI 3.1 spec. For apps, scripts and backends.
api.opentg.ai/v1 Open the API reference
For AI agents
MCP server

Connect Claude, Claude Code or any MCP client and let it search Telegram as a tool. No code needed.
mcp.opentg.ai/mcp Set up the MCP server