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Anthropic Web SearchVerified
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).
search apisearch apianthropicclaudeweb-searchgeocitationsanthropic web search
API Sections
Related APIs
Search API
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.
Search API
POST OpenAI Web Search
Ask a question and get an OpenAI-model, cited answer produced after a live web search, returned with the underlying sources.
Chat API
Claude Messages
Create Anthropic Claude-compatible messages with the same AIsa API key.