the402 endpoint detail

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trader.rigoblock.com oracle refresh

https://trader.rigoblock.com/api/oracle/refresh

payable

Build an unsigned operator EOA transaction that swaps ETH on the on-chain oracle's dedicated Uniswap V4 pool to create a fresh price observation and fix a stale TWAP feed. Use when the Swap Shield blocks a trade due to oracle price divergence.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.0023
Network
base
Pay to
0xA0F9C380ad1E1be09046319fd907335B2B452B37
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
959 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:09:15.810Z (2d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftrader.rigoblock.com%2Fapi%2Foracle%2Frefresh"