Drive a browser
Steel
Open-source cloud browser API that runs remote Chrome sessions for agents, with proxies, CAPTCHA solving, profiles and scraping endpoints.
Methods
| Method | Used for | How |
|---|---|---|
| API key | REST API, SDKs, CLI | steel-api-key HTTP header or STEEL_API_KEY environment variable |
| API key in query | CDP browser connections | apiKey query parameter on wss://connect.steel.dev |
| x402 payment | Scrape, screenshot and PDF at https://x402.steel.dev | Signed USDC payment in the X-PAYMENT header; no key or account |
| Stripe CLI | Provisioning a project and key | stripe projects add steel/browser |
Source2Authentication
Getting access
- Who creates the account
- A person signs in at the dashboard to create a key; x402 needs no account; a key can also be provisioned from the Stripe CLI8
- Where to get a key
- Dashboard: Settings, API Keys, Create API Key; shown once2
- Other requirements
- Launch accounts need a $10 paid deposit for managed proxies and CAPTCHA solving1
Read from Nen Labs, Inc.’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/drive-a-browser/steel.md