0x API v2 quote with on-chain oracle price comparison. Drop-in proxy for 0x /swap/allowance-holder/quote — same query parameters, response includes priceFeedExists, deltaBps, and oracleAmount.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.002200 USDC | 0xA0F9...2B37 |