Overview

Steel is a headless browser API for AI agents — JavaScript rendering, authentication, proxies, CAPTCHAs, and browser infrastructure handled in the cloud so you focus on the agent.

Start here

• Intro to Steel
• Steel CLI
• Authentication
• Pricing & limits
• Need help?

Sessions API

• Overview
• Quickstart
• Session lifecycle
• Reusing auth context
• Multi-region
• Mobile mode
• Human in the loop
• Browser tools
• Embed sessions
  • Live sessions
  • Past sessions

Resource APIs

• Captchas API
• Credentials API
• Extensions API
• Files API
• Profiles API

Stealth

• Captcha solving
• Proxies

Self-hosting

• Steel local vs Steel cloud
• Docker
• Clustering
• Railway
• Render
• Profiles
• Extensions
• WebRTC

Legal

• Legal