Keirolabs is a web-search API designed for AI agents, bringing live web discovery and research capabilities into a single developer-focused platform. Its services include real-time search, full-page content extraction, multi-step research, cited answers, and embeddings. The platform offers API endpoints with options such as automatic search mode, configurable result counts, highlights, and citations. Keirolabs emphasizes clean Markdown and cited results, and says these can be returned alongside embeddings in one call, supporting workflows that need sourced information from the web.

The company highlights performance on research benchmarks, reporting a 78% result on FinanceBench and a 95.3% SimpleQA score for its new Deep Search endpoint. Developers can explore the API through a Postman collection or start with a free tier offering 1,250 credits per month, with no credit card required. Paid usage is listed from $0.25 per 1,000 requests. Keirolabs also provides pricing information, a blog, open-source resources, and an affiliate program.