{"uid":"cap_XqJ80kiZc1esc0GiiX7iK","slug":"vextorium-chainlink-price-feed-6d95d80d","name":"Vextorium Chainlink Price Feed","description":"Tamper-resistant price from Chainlink Data Feeds on Base (ETH/USD, BTC/USD, USDC/USD, or any Chainlink aggregator address), with update time and staleness in seconds.","url":"https://api.vextorium.com/v1/chainlink-price?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":[],"properties":{"pair":{"type":"string","description":"ETH/USD, BTC/USD, USDC/USD or a Chainlink feed address"},"network":{"enum":["base"],"type":"string"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":["object","null"],"properties":{"pair":{"type":["string","null"]},"price":{"type":["number","null"]},"age_seconds":{"type":["number","null"]},"updated_utc":{"type":["string","null"]}}}}}}},"responseSchema":{"type":"json","example":{"pair":"BTC / USD","price":84436.1,"age_seconds":145,"updated_utc":"2026-09-27T15:58:37Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tOLmUJS5DG0o0zi9hhBvT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns tamper-resistant price data from Chainlink Data Feeds on Base for ETH/USD, BTC/USD, USDC/USD, or any Chainlink aggregator address, including update timestamp and staleness in seconds.","exampleAgentPrompt":"What's the current ETH/USD price from the Chainlink feed on Base, and how many seconds ago was it last updated?","exampleUseCases":[{"title":"Real-time ETH price for DeFi dashboard","prompt":"Pull the latest ETH/USD price from Chainlink on Base and tell me how fresh the data is — I need the price and the number of seconds since the last update."},{"title":"BTC price staleness check before trade","prompt":"Before I place this BTC trade, grab the current BTC/USD Chainlink price on Base and let me know if it was updated within the last 5 minutes."},{"title":"USDC peg monitoring alert","prompt":"Check the USDC/USD Chainlink price on Base right now and flag it if it's moved more than 0.5% from $1.00 or if the feed is more than 10 minutes stale."}],"resultDescription":"Returns a JSON object with the canonical pair name (e.g. 'BTC / USD'), the current price as a float, the number of seconds since the last on-chain update (age_seconds), and the UTC timestamp of the last update (updated_utc).","failureModes":["Invalid or unsupported pair symbol returns an error — use ETH/USD, BTC/USD, USDC/USD, or a valid Chainlink aggregator address on Base","Chainlink feed temporarily unavailable or stale returns outdated data with high age_seconds","Incorrect network value (only 'base' is supported) causes request rejection","Malformed aggregator address results in contract lookup failure"],"whenToPreferThis":"Choose this endpoint when you need tamper-resistant, on-chain verified price data sourced directly from Chainlink oracles on the Base network, rather than centralized exchange APIs. Ideal when your application requires auditable price provenance, staleness tracking, or integration with DeFi smart contracts that reference the same Chainlink feeds. Prefer this over off-chain price APIs when trustlessness and manipulation resistance matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:55:31.430Z","isFirstParty":false,"canonicalSlug":"vextorium-chainlink-price-feed-6d95d80d"}