Exa Search Requires API key: Get one at https://dashboard.exa.ai/api-keys Header: Use for semantic web retrieval, ranked results, and optional result-level extraction in one raw HTTP call. Start with for general retrieval. Add only when the caller needs page text, highlights, summaries, freshness-controlled crawling, subpages, or extracted links. Quick Start (cURL) Basic search Search with highlights With filters and freshness Deep search Endpoint Authentication: header. Exa also accepts , but prefer in cURL examples for consistency. Use this endpoint when the agent needs search results. If t…