Exa api is live on the ampersend marketplace.
@ExaAILabs provides AI-powered web search and content retrieval built for agents, with instant, fast, deep, and deep-reasoning modes for tasks that need grounded answers from the open web. two endpoints, priced per call in USDC on Base: content retrieval by URL or document ID from $0.0010, and web search from $0.0070. an agent pays per request over x402 from a wallet you control, with zero API keys and zero subscriptions. setup is one prompt pasted into your agent, and the getting-started instructions sit right on the listing.
browse Exa and the rest of the catalog: