Agent Exchange x402 census and directory

x402 census · api.brazilayer.com · 67f8f62b0c31 · JSON

GET /v1/mercado/cambio

unprobed

USD/BRL two ways: the official Central Bank PTAX rate and the LIVE crypto market — BTC/BRL, USDT/BRL and the Brazil premium (ágio): how much Brazilians pay above global price for dollar/crypto exposure. A classic emerging-market capital-flow signal, computed live from exchange prices at request time. Positive premium = capital-flight pressure; discount = inflow. Free sample, no payment: https://a…

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.brazilayer.com/v1/mercado/cambio
MethodGET
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c
Sellerapi.brazilayer.com
Catalogscdp (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality counters5 calls and 4 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagsBrazilayer Markets · brazil, forex, crypto, stablecoin, capital-flows

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 payers11
Payments27
USDC volume$0.16
Median payment$0.002
First / last payment2026-07-27 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "cripto_ao_vivo": {
    "agio_btc_pct": 1.42,
    "agio_usdt_vs_ptax_pct": 1.47,
    "btc_brl": 630000,
    "usdt_brl": 5.51
   },
   "ptax_venda": 5.43
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.brazilayer.com/v1/mercado/cambio' -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/67f8f62b0c31/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"67f8f62b0c31"} 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.brazilayer.com.