AI-Native Search APIs (10)

Search APIs built specifically for LLMs and AI agents. Return structured, embedding-ready results instead of raw HTML.

5 strong choices for AI builders

Selected from 10 tools in this category. Equal-weighted; not ranked 1–5.

LLM-powered search API with built-in citations, offering multi-tier model options from fast to deep research.

AI search with proprietary 'information-atom' indexing that licenses content from publishers rather than scraping it.

Reader API that converts URLs to clean markdown, plus embeddings, rerankers, and DeepSearch – now part of Elastic.

Also in this category

Composable search APIs for web, news, images, and deep AI research – built for enterprise-scale agent workloads.

Web infrastructure APIs built on a proprietary index with 8 specialized research engines, founded by ex-Twitter CEO Parag Agrawal.

Model-agnostic web search API that adds search capabilities to any LLM with a single API call.

AI-powered search engine with a conversational interface and API access, focused on ad-free, privacy-respecting results.

Open-source metasearch engine that aggregates results from 70+ search engines – self-hostable with API access.