Best x402 Search & Retrieval for AI Agents (2 listed)

Search and retrieval APIs that return ranked results or cleaned documents for a per-query fee.

• Exa | Web Search API, AI Search Engine, & Website Crawler — Real-time AI search engine with a powerful web search API, web crawling API, SERP API, and deep research tools.

  $0.007/request on base

• StableEnrich — FullEnrich Company Search — filter by domain, name, LinkedIn URL/ID, industry, type, HQ, headcount, founding year, keywords, specialties.

  $0.15/request on solana