# PostFlow > PostFlow schedules social media posts to Instagram, Facebook, TikTok, Threads, YouTube, Bluesky and Telegram, and collects comments, direct messages and analytics. Agents and scripts use it through a REST API (https://postflow.biz.id/api/v1), an MCP server (https://postflow.biz.id/api/mcp) and signed webhooks. - Authenticate with `Authorization: Bearer pf_…` (an API key from Settings → Integrations → API & MCP) or OAuth (MCP clients). - OpenAPI document: https://postflow.biz.id/api/v1/openapi.json - Agent Skill for harnesses without MCP: https://docs.postflow.biz.id/skill/SKILL.md - Times are ISO 8601 with an offset. Each workspace has a time zone (default Asia/Jakarta). ## Documentation Sets - [Abridged documentation](https://docs.postflow.biz.id/llms-small.txt): a compact version of the documentation for PostFlow, with non-essential content removed - [Complete documentation](https://docs.postflow.biz.id/llms-full.txt): the full documentation for PostFlow ## Notes - The complete documentation includes all content from the official documentation - The content is automatically generated from the same source as the official documentation