Start a deep research job — the same multi-step research experience you get from Perplexity Deep Research, OpenAI Deep Research, or Gemini Deep Research, now available via API.Give it a topic and the agent will search the web, read pages, extract insights, and follow up with deeper queries. After a few minutes you get back a comprehensive report with sources.Deep research runs asynchronously (typically 2-5 minutes). Use the returned id to poll for status and results.