the402 endpoint detail

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api.402rates.com rwa yields

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

payable

Compare realised 30-day yields of tokenized treasury funds - BUIDL, BENJI, OUSG, USDY, USTB, USYC, VBILL, mTBILL, Spiko EUTBL/USTBL/UKTBL and OpenEden TBILL - computed from each fund's own NAV or price series under the published Open Treasury Basis specification, with every input, window and source disclosed so the figure can be recomputed, and the issuer's own figure printed beside ours.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.03
Network
base
Pay to
0xf567Cfe0FDb87A1D6Ca330e3f30f0D3DA0F7cb98
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
568 ms
Payment options
3 usable of 3
Last checked
2026-08-10T09:10:11.145Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.402rates.com%2Fv1%2Frwa%2Fyields"