You.com

Hallucinations and uncited outputs are the tax every LLM application pays when it has no reliable connection to the live web. You.com’s API platform is a set of four purpose-built APIs that give AI applications, agents, and data pipelines a real-time web data layer: the Web Search API returns ranked results with titles, URLs, and snippets; the Contents API fetches full page content from a list of URLs and returns it in HTML or cleaned text formats; the Research API performs multi-step web research and returns a synthesized answer with numbered source citations; and the Finance Research API applies the same cited-synthesis approach to financial filings, macro datasets, and multi-step calculations.

The Research API’s benchmark position — the vendor states it ranks first on DeepSearchQA — is the differentiating claim worth stress-testing for your use case. It handles queries that require pulling from multiple sources and reconciling them, not just returning a list of links, which is the gap most raw search APIs leave open. The Finance Research API goes further, targeting questions that span SEC filings, earnings data, and macroeconomic figures in a single call, returning source-reconciled output the vendor describes as cited financial intelligence with no infrastructure on your side.

This is infrastructure for builders, not an autonomous tool. The APIs slot into your own agent loop, RAG pipeline, or data workflow — the Python SDK described in the docs reduces integration to initializing a client and calling the relevant method. There is no self-hosted deployment option; all requests go through You.com’s cloud. That constraint rules out the platform for teams with strict data-residency requirements or air-gapped environments. For teams where per-call cost is a lever: the Finance Research API carries a meaningfully higher cost per call than the Web Search or Contents APIs, so high-volume financial query patterns require a budget conversation before production commit.