aid: steel-dev url: https://raw.githubusercontent.com/api-evangelist/steel-dev/refs/heads/main/apis.yml name: Steel kind: company description: Steel is the open-source browser API for AI agents and apps. The Steel Cloud REST API (https://api.steel.dev/v1) launches and manages cloud browser sessions, runs stateless quick actions (scrape, screenshot, pdf, search), and exposes a live session viewer, while long-running automation connects to a per-session Chrome DevTools Protocol (CDP) WebSocket driven with Playwright, Puppeteer, or Selenium. The same surface ships self-hosted under Apache-2.0 as steel-browser. image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg tags: - Browser - Web Automation - Scraping - AI Agents - Open Source created: '2026-06-20' modified: '2026-06-20' specificationVersion: '0.19' apis: - aid: steel-dev:steel-sessions-api name: Steel Sessions API tags: - Sessions - Cloud Browser - Live Viewer image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.steel.dev/overview/sessions-api baseURL: https://api.steel.dev/v1 properties: - url: https://docs.steel.dev/overview/sessions-api type: Documentation - url: https://docs.steel.dev/api-reference type: APIReference - url: openapi/steel-dev-openapi.yml type: OpenAPI - url: collections/steel-dev.postman_collection.json type: PostmanCollection - url: collections/steel-dev.opencollection.json type: OpenCollection description: Launch, inspect, release, and live-view stateful cloud browser sessions with proxy, fingerprint, dimensions, timezone, ad-blocking, and bandwidth options, plus session context capture and per-session file management. - aid: steel-dev:steel-scrape-api name: Steel Scrape API tags: - Scrape - Extraction - Markdown image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.steel.dev/overview/quick-actions-api baseURL: https://api.steel.dev/v1 properties: - url: https://docs.steel.dev/overview/quick-actions-api type: Documentation - url: https://docs.steel.dev/api-reference type: APIReference - url: openapi/steel-dev-openapi.yml type: OpenAPI - url: collections/steel-dev.postman_collection.json type: PostmanCollection - url: collections/steel-dev.opencollection.json type: OpenCollection description: Stateless one-off scrape that returns clean page content in html, readability, cleaned_html, and markdown formats, with page metadata, links, and optional inline screenshot and PDF. Includes a search action for query-to-URL resolution. - aid: steel-dev:steel-screenshot-pdf-api name: Steel Screenshot & PDF API tags: - Screenshot - PDF - Rendering image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.steel.dev/overview/quick-actions-api baseURL: https://api.steel.dev/v1 properties: - url: https://docs.steel.dev/overview/quick-actions-api type: Documentation - url: https://docs.steel.dev/api-reference type: APIReference - url: openapi/steel-dev-openapi.yml type: OpenAPI - url: collections/steel-dev.postman_collection.json type: PostmanCollection - url: collections/steel-dev.opencollection.json type: OpenCollection description: Render any URL or the current session page to a PNG screenshot (with full-page option) or a PDF document, with proxy and render-delay controls. - aid: steel-dev:steel-browser-connect-api name: Steel CDP / Browser Connect API tags: - CDP - WebSocket - Playwright image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://docs.steel.dev/overview/guides/connect-with-playwright baseURL: https://api.steel.dev/v1 properties: - url: https://docs.steel.dev/overview/guides/connect-with-playwright type: Documentation - url: openapi/steel-dev-openapi.yml type: OpenAPI - url: review.yml type: Review description: Per-session Chrome DevTools Protocol (CDP) WebSocket surfaced as the session `websocketUrl`, used with Playwright connect_over_cdp, Puppeteer connect, or Selenium for full programmatic control of the cloud Chrome instance. common: - type: GitHubOrganization url: https://github.com/steel-dev - type: LinkedIn url: https://www.linkedin.com/company/steel-dev - type: Website url: https://steel.dev - type: Documentation url: https://docs.steel.dev - type: Plans url: plans/steel-dev-plans-pricing.yml - type: RateLimits url: rate-limits/steel-dev-rate-limits.yml - type: FinOps url: finops/steel-dev-finops.yml maintainers: - FN: Kin Lane email: kin@apievangelist.com