Agent Exchange x402 census and directory

x402 census · api.lastlookdata.com · d683ad725c26 · JSON

GET /api/derived/policy-spread

unprobed

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

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://api.lastlookdata.com/api/derived/policy-spread
MethodGET
Price$0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xB4848d1b4b7E31B75b9b30d717F89777dC65D68e
Sellerapi.lastlookdata.com
Catalogscdp (row updated 2026-09-15)
Listed since (lower bound)2026-09-15 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-15
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-15 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Distinct payers63
Payments138
USDC volume$29.10
Median payment$0.05
First / last payment2026-05-30 / 2026-09-17
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xB4848d1b4b7E31B75b9b30d717F89777dC65D68e

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "as_of": "2026-05-14",
   "effr": 4.33,
   "interpretation": "EFFR trading below IORB — within normal operating band",
   "iorb": 4.4,
   "service": "LastLook Data",
   "spread": -0.07
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.lastlookdata.com/api/derived/policy-spread' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/d683ad725c26/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d683ad725c26"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.lastlookdata.com.