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Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, web sear…","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"app":"Delx Agent Operations Protocol","name":"USD Coin","version":"2","feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4","provider":"payai","accept_label":"PayAI Solana","provider_label":"PayAI Solana","facilitator_url":"https://facilitator.payai.network"},"payTo":"28heAMpFkeUJsL7o7apiK4oJwZWq2fUHinRwbgYYsemG","amount":"3000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","mimeType":"application/json","resource":"https://api.delx.ai/api/v1/x402/ohlc-aggregate","description":"Aggregate a bounded price list into open, high, low, and close — call when collapsing a price list into open/high/low/close. 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