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Search APIs

Web search and retrieval endpoints that give agents fresh information.

JSON: /api/v1/directory.json (filter on category=search-apis)

Brave Search API

Web, news, image and video search from an independent index, with a small free plan.

Free tierAPI key

Tavily

Search and content extraction built for LLM agents, returning cleaned snippets rather than raw links.

Free tierAPI key

Exa

Neural search engine that finds pages by meaning, with content retrieval and similar-page lookups.

Free tierAPI key

SerpApi

Structured JSON results scraped from Google and other search engines, including maps and shopping.

Free tierAPI key

Serper

Inexpensive Google search results as JSON, popular for quick agent lookups.

Free tierAPI key

You.com API

Web search and research endpoints aimed at grounding AI applications with fresh sources.

PaidAPI key

Google Programmable Search

Google's site-search API for up to 50 domains. The Custom Search JSON API is closed to new customers and ends on 1 January 2027, and whole-web search is no longer offered to new users.

Free tierAPI key

SearXNG

Self-hostable metasearch engine that aggregates many engines and can return JSON for agents.

FreeNo auth

Linkup

Search API focused on premium and licensed sources, returning answers with source attributions.

Free tierAPI key

Kagi API

Ad-free search plus summarizer and FastGPT endpoints for paying Kagi users.

PaidAPI key