# TypeOS TypeOS is an AI writing platform and browser extension with tools for humanizing AI text, detecting AI content, grading essays, checking plagiarism, translating writing voice, and more. It brings ChatGPT, Claude, Gemini, and Perplexity directly into Google Docs and across your browser. - [Website](https://typeos.com): TypeOS homepage - [Chrome Extension](https://typeos.com/extension): Install the free browser extension - [AI Humanizer](/dashboard/humanizer): Rewrite AI-generated text to sound human - [AI Detector](/dashboard/checker): Detect AI-generated content - [Translate](/dashboard/translate): Translate text into any writing voice - [Ghost Writer](/dashboard/ghostwriter): AI-powered long-form writing assistant - [Privacy Policy](/privacy): Privacy policy - [Terms of Service](/terms): Terms of service - [Careers](/careers): Join the team - [Support](mailto:daniel@typeos.com): Contact support ## Humanizer API The developer API for humanizing AI-generated text. Make any AI text undetectable. - [Full API documentation for LLMs](/llms-full.txt): Complete API reference, examples, and integration guide in a single file — feed this to your agent. - [Quickstart](/docs/api/quickstart): Get started with the TypeOS Humanizer API in minutes - [API Reference](/docs/api/reference): Full endpoint reference — humanize, usage, and health - [CLI Tool](/docs/api/cli): Command-line tool for humanizing text from your terminal - [Pricing](/docs/api/pricing): API plans, rate limits, and word quotas - [Authentication](/docs/api/reference#authentication): API key authentication via Bearer token - [Dashboard](/dashboard/developers): Create and manage your API keys - [POST /api/v1/humanize](/docs/api/reference#post-apiv1humanize): Humanize AI-generated text - [GET /api/v1/usage](/docs/api/reference#get-apiv1usage): Check your word usage and remaining balance - [GET /api/v1/health](/docs/api/reference#get-apiv1health): API health check (no auth required) - [typeos-humanize CLI](/docs/api/cli#installation): Install and use the CLI via npx - [Error handling](/docs/api/reference#error-codes): HTTP status codes and error responses - [Rate limits](/docs/api/reference#rate-limits): Per-plan request rate limits - [Modes](/docs/api/reference#modes): Quality, balance, and enhanced humanization modes - [Agent Skill](/typeos-humanizer-skill/SKILL.md): Claude Agent Skill for the TypeOS Humanizer — download and install in Claude.ai or Claude Code