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Spread Paywall API

71 pay-per-call x402 endpoints: live SOL CEX/DEX spread data, AI inference, whale watching, NPI/DEA verification, web scraping, tokenized stocks, Polymarket data, pump.fun launchpad data, utilities and more. Paid in USDC on Base and Solana.

unclaimedpaid_usage_verifiedbuy here · x402

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Seller site: https://workspace-x402-paywall.onrender.com · JSON · kit.json · buy here: /api/v1/call/x402.spread-paywall-api

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