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EURC Peg Monitor — ECB vs On-Chain Deviation
x402
EURC Peg Monitor — ECB vs On-Chain Deviation is a paid API for AI agents from agentdata-api.sander-van-aard.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
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.
Price / call$0.002
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Example prompt
“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.”
Technical details
Endpoint
POSThttps://agentdata-api.sander-van-aard.workers.dev/eu/eurc-pegWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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