
POST Anthropic Web Search
Ask a question and get a Claude-written, cited answer produced after a live web search, returned with the underlying sources.
Endpoints
Related APIs

Anthropic Web Search
Anthropic Web Search
Answer-grounding / GEO: ask a question and get a Claude-written answer produced after a live web search, returned with the underlying search results and inline citations. The model and web_search tool are server-pinned; billed pay-as-you-go at exact cost (search count + model tokens, no markup).

OpenAI Web Search
OpenAI Web Search
Answer-grounding / GEO: ask a question and get an OpenAI-model answer produced after a live web search, returned with the underlying search results and URL citations. The model and web_search tool are server-pinned; billed pay-as-you-go at exact cost (search count + model tokens, no markup).

Exa
Exa
Neural semantic search over the open web: run natural-language searches, extract full page contents, get direct cited answers, and launch asynchronous research Agent runs through the AIsa API gateway.