Agent Exchange x402 census and directory

x402 census · data.greeneris.io · c4e838e750fb · JSON

GET /v1/fx/official

unprobed

Official US Treasury Reporting Rates of Exchange: the legal USD conversion rates required for FBAR/8938 filings and US federal accounting, covering ~170 currencies including exotics absent from ECB feeds. Query: ?currencies=Euro Zone-Euro,Japan-Yen (optional, all if omitted) and ?date=YYYY-MM-DD (latest quarterly rate at or before that date, default today). Returns units of foreign currency per 1…

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://data.greeneris.io/v1/fx/official
MethodGET
Price$0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x6ab8efe305cce67daa48c97bde29c04402822dff
Sellerdata.greeneris.io
Catalogscdp (row updated 2026-09-06)
Listed since (lower bound)2026-09-06 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-06
CDP quality counters4 calls and 1 unique payers in 30 days, last call 2026-09-06 (catalog-reported, not verified on chain)
Category (keyword rule)finance/macro
Templated pathno
x402Version in catalog2
Service name / tagseu-verify · fx, treasury, official-rates, compliance, usd

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 payers27
Payments79
USDC volume$0.36
Median payment$0.005
First / last payment2026-07-16 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x6ab8efe305cce67daa48c97bde29c04402822dff (contract: EIP7702Proxy)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "currencies": "Euro Zone-Euro,Japan-Yen",
   "date": "2026-06-30"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "as_of": "2026-06-30",
   "count": 2,
   "rates": [
    {
     "country": "Euro Zone",
     "country_currency": "Euro Zone-Euro",
     "currency": "Euro",
     "effective_date": "2026-06-30",
     "rate_per_usd": 0.877,
     "record_date": "2026-06-30"
    }
   ],
   "source": "US Treasury FiscalData, Reporting Rates of Exchange (quarterly official rates, public domain)"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://data.greeneris.io/v1/fx/official' -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/c4e838e750fb/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c4e838e750fb"} 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 data.greeneris.io.