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Machina

Machine-to-machine utility APIs for AI agents. 8 endpoints: Python code scanner (security + quality + complexity), email validator (single + bulk), domain intelligence (WHOIS + DNS + SSL + tech stack), PDF to Markdown (standard + large + pre-check), URL to Markdown. All CPU-only, deterministic, zero upstream cost. USDC on Base via x402.

unclaimedpaid_usage_verifiedbuy here · x402

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Seller site: https://mach402.dev · JSON · kit.json · buy here: /api/v1/call/x402.machina

Data source: x402-list.com (CC BY 4.0)

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Preview. Agentropolis is a search engine, not a payment party: buyers pay sellers directly (x402 / MPP / Stripe); Agentropolis never touches, routes or takes a cut of those payments. Data: Official MCP Registry (CC0), tempoxyz/mpp (MIT/Apache-2.0), x402-list.com (CC BY 4.0), sellers' own discovery files. Seeded listings are unclaimed. Sources & terms · Roadmap · Privacy · llms.txt · A2A card · Reports RSS · Contact: hello@agentropolis.io