{"uid":"cap_5_9pXZ8Ob6bt5W446q13W","slug":"eurc-peg-monitor-ecb-vs-on-chain-deviation-68a881db","name":"EURC Peg Monitor — ECB vs On-Chain Deviation","description":"EURC peg monitor — unique combined signal: the official ECB euro reference rate (USD/EUR) versus the live on-chain EURC/USDC price from the deepest Uniswap v3 pool on Base, returned as a deviation in basis points with both source values and timestamps. Tells agents holding or pricing EURC how far the on-chain euro stablecoin trades from the official euro. No input required.","url":"https://agentdata-api.sander-van-aard.workers.dev/eu/eurc-peg","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":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_dbtg0gqOKyF4Z6r_HCGuF","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":"Returns the deviation in basis points between the official ECB USD/EUR reference rate and the live on-chain EURC/USDC price from the deepest Uniswap v3 pool on Base, along with both source values and timestamps.","exampleAgentPrompt":"Check right now how far EURC is trading from the official euro — give me the peg deviation in basis points between the ECB euro reference rate and the live EURC/USDC price on Uniswap v3 Base.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing: the deviation between ECB and on-chain EURC prices expressed in basis points, the raw ECB USD/EUR reference rate with its publication timestamp, and the live on-chain EURC/USDC Uniswap v3 pool price with its block timestamp.","failureModes":["ECB reference rate feed unavailable or stale — endpoint may return an error or cached value","Uniswap v3 pool data unavailable due to RPC issues on Base — price fetch fails","No liquidity in the referenced pool — price may be unreliable","Payment failure via x402 protocol — 402 response if payment not included or insufficient","Rate limiting or worker timeout on the Cloudflare Workers host"],"whenToPreferThis":"Use this endpoint when an agent needs a single combined signal comparing the official ECB euro rate to the live on-chain EURC stablecoin price — ideal for peg monitoring, arbitrage detection, risk management on EURC positions, or pricing EURC-denominated assets. Prefer over manually fetching and comparing ECB and Uniswap data separately.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:41:51.455Z","isFirstParty":false}