the402 endpoint detail

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api.lastlookdata.com derived policy-spread

https://api.lastlookdata.com/api/derived/policy-spread

answers 402

LastLook Data — EFFR vs IORB spread. Shows where the effective Fed funds rate trades relative to interest on reserves.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.02
Network
base
Pay to
0x57d275809484017e4c7e29aa8efda1eb95affc70
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
345 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:16:17.327Z (19d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.lastlookdata.com%2Fapi%2Fderived%2Fpolicy-spread"