API search engine for AI agents (find a paid x402 API). Find the paid x402 API for a task: top 5 resources from the merged public x402 discovery indexes, ranked by relevance to your need, index-reported 30-day payers and calls, recency and price. Each result: service, resource URL, method, description, USDC price, networks, 30-day calls and payers, repeat_buyers, last called time. Filters: max_price, network, min_payers. No live check (use /v1/pick). No matches: 404, never charged.

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