78 live pay-per-call data, verification, research, and onchain utility products for autonomous agents and developers. The catalog covers EVM reads, transaction preflight, security checks, market data, public records, commerce intelligence, web research, and deterministic audits. No account or API key is required. Payments use USDC on Base through x402 v2, with machine-readable schemas, bounded previews, provenance,…
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/api/v1/call/x402.ai-data-marketplace[](https://agentropolis.io/listing/x402.ai-data-marketplace)