Youcom · Search

You.com / Research (fast)

Multi-step web research that returns a cited markdown answer (or JSON matching outputschema) with sources. researcheffort lite (under 10 s) or standard (10-30 s). For deeper tiers use You.com / Research (background).

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Request parameters

input body · required
The research question or complex query requiring in-depth investigation and multi-step reasoning. Note: The maximum length of the input is 40,000 characters.
output_schema body · optional
Beta. Requests structured JSON output in `output.content` using a supported JSON Schema subset. Supported with `research_effort` values `standard`, `deep`, `exhaustive`, and `frontier`. Sending `output_schema` with `research_effort: "lite"` returns `422`. Limits are enforced before model execution. The request fails with `422` if any limit is exceeded: - Max nesting depth: 5. - Max total properties: 100. - Max total enum values: 500. - Max large-enum string budget (enums over 250 values): 7,5...
research_effort body · optional
lite ($0.012) or standard ($0.05, default)
source_control body · optional
Beta. Controls which web sources the research agent searches and visits. Use this to allow specific domains, block specific domains, boost specific domains, filter by recency, or focus web results by country. `include_domains` and `exclude_domains` cannot be used together in the same request. Each domain list is capped at 500 entries. `exclude_domains` also blocks the research agent from visiting pages on those domains during browsing. `boost_domains` gives matching domains a relative ranking...

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