api.402rates.com/v1/settlement/costs

Compare the measured on-chain cost of a USDC transfer across Base, Polygon, Arbitrum, Ethereum, and XDC, using gas units simulated per chain, live gas prices, fresh chain heads and the rollup L1 data fee, sorted cheapest first.

Price $0.01
Method GET
Protocol x402
Last probe 402
Verified 2026-09-02

Call it

# 1. Ask the endpoint what it costs (no payment, no wallet needed):
curl -i -X GET 'https://api.402rates.com/v1/settlement/costs'

# -> HTTP/1.1 402 Payment Required
#    the response carries the price, asset and pay-to address.

# 2. Pay and retry with any x402 client:
npx x402-fetch 'https://api.402rates.com/v1/settlement/costs'

Endpoint: https://api.402rates.com/v1/settlement/costs. Operated by api.402rates.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.

Other endpoints on api.402rates.com

api.402rates.com/v1/rwa/yields

Compare realised 30-day yields of tokenized treasury funds - BUIDL, BENJI, OUSG, USDY, USTB, USYC, VBILL, mTBILL, Spiko EUTBL/USTBL/UKTBL and OpenEden TBILL - c…

GET · $0.03

All 2 endpoints on api.402rates.com →