Agent Exchange x402 census and directory

x402 census · 2s.io · 923fb0ac4f14 · JSON

GET /api/fx/rates

live

Daily reference exchange rates from the European Central Bank (via Frankfurter). 30+ major currencies. Pass base = 3-letter ISO 4217 currency (default USD), optional symbols = comma-separated target codes (default = all available), optional date = YYYY-MM-DD for historical rates (history back to 1999, business days only; omit for latest), optional amount to convert (default 1). Returns base, date…

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).

Facts from the catalogs

FieldValue
URLhttps://2s.io/api/fx/rates
MethodGET
Price$0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
Seller2s.io
Catalogscdp (row updated 2026-09-29)
Listed since (lower bound)2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters3 calls and 2 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)
Category (keyword rule)finance/macro
Templated pathno
x402Version in catalog2
Service name / tags2s · public-records, identifiers, ai-agents, us-gov-data, x402

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T14:13:42.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET402 / 402
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"3000","payTo":"0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Latency594 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers118
Payments833
USDC volume$6.21
Median payment$0.0012
First / last payment2026-06-12 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "base": "USD",
   "symbols": "EUR,GBP,JPY"
  },
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://2s.io/api/fx/rates' -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/923fb0ac4f14/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"923fb0ac4f14"} 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 2s.io.