{"uid":"cap_SXE_BFyXUp5pGooCz0WLU","slug":"preflight-oracle-freshness-check-f7301cdf","name":"PreFlight Oracle Freshness Check","description":"Pre-trade & pre-sign checks for autonomous agents: everything an agent verifies BEFORE signing a transaction — token due diligence, calldata red-flag decoding, oracle freshness, holder concentration, bridge routing with executable calldata, cross-venue perp funding, gas and price sanity checks. EVM chains: Ethereum, Base, Arbitrum, Optimism.","url":"https://meryol-agenticmarket-x402.hf.space/oracle/freshness/%7Bchain%7D/%7Bfeed%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"feed":"0x71041dddad3595f9ced3dccfbe3d1f4b0a16bb70","chain":"base","notes":[],"decimals":8,"description":"ETH / USD","answer_scaled":3120.45,"updated_at_ts":1715000000,"is_safe_to_use":true,"staleness_seconds":120}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZzjHu8iI75G78uZBDfs3R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a Chainlink or on-chain price feed is fresh and safe to use before an agent signs a transaction dependent on that oracle price.","exampleAgentPrompt":"Before I execute this ETH/USD trade on Base, can you check whether the ETH/USD Chainlink feed at 0x71041dddad3595f9ced3dccfbe3d1f4b0a16bb70 is fresh and safe to use right now?","exampleUseCases":null,"resultDescription":"Returns the oracle feed's current scaled price, description (e.g. 'ETH / USD'), decimal precision, last update timestamp, staleness in seconds, a boolean is_safe_to_use flag, and any notes flagging issues — all in one JSON object.","failureModes":["Invalid chain identifier returns 404 or error response","Unknown or unsupported feed address returns error","Feed address exists but has never updated — staleness could be very large","Network timeout if the RPC node is unavailable","Stale feed flagged as is_safe_to_use: false with high staleness_seconds"],"whenToPreferThis":"Use this endpoint when an agent needs to verify that an on-chain price oracle is fresh and reliable before signing any transaction that depends on that price — especially on EVM chains like Ethereum, Base, Arbitrum, or Optimism. Prefer this over generic price-fetch endpoints when the agent's primary concern is oracle liveness and staleness risk, not just the price value itself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:30:02.479Z","isFirstParty":false}