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gateway.apiosk.com attestations usdc-eure
https://gateway.apiosk.com/attestations/usdc-eure
answers 402
Signed USDC/EURe spot rate read directly from the EURe/USDC 0.30% Uniswap v3 pool on Polygon (mid-price from sqrtPriceX96). The on-chain rate behind the euro off-ramp; the envelope carries the exact eth_call slot0() so the number is independently re-checkable. Excludes the pool fee and slippage.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.03
- Network
- base
- Pay to
- 0xA039E3dEb5ca71E41905f90491FC5d016CE23B79
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 734 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:35:43.437Z (3d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fgateway.apiosk.com%2Fattestations%2Fusdc-eure"