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What is Simplex?

Simplex is the web agent platform for developers that will take you from zero to production for automated action-based workflows on the web in a few lines of code.

We provide everything you need to build production-grade, highly scalable action-based web workflows:

  • Headless browsers that can scale to 100s of concurrent sessions in seconds
  • Automatic CAPTCHA solving and anti-bot protections (often called “stealth” browsing)
  • Workflow caching/optimizations to ensure workflows are consistent (and run in real-time if necessary)
  • Fast failure of workflows if errors are encountered or the web agent can’t find an element (no hallucinations!)
  • A dashboard to monitor and manage your workflows (see successes, failures, and detailed logging for each flow run)
  • A robust Python + TypeScript SDK that provides easy use of our custom web agents
  • Non-agentic SDK functions to handle file upload/download, browser dialogs, network requests, and more
  • Authentication SDK functions to handle 2FA, cookies, etc. on your customers’ sites
  • Eval harnesses to stress-test your workflows at scale and emulate production conditions
  • Lightning fast support via Slack/text/call any time, day or night

Filling out a form in healthcare.

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Using Simplex

The rest of the Getting Started section explains Simplex’s fundamental concepts (session creation, taking actions, managing login credentials, and handling session replays) using Simplex’s SDK.