x402 census · api.brazilayer.com · 820cac6cc215 · JSON

GET /v1/cadeias/cafe_kc

unprobed

Causal chain for arabica coffee: minimum temperature forecast 72h ahead over the southern Minas belt (frost is the event that historically moves KC hardest, operational threshold 3 °C) → consecutive dry days stressing flowering → observed rainfall → the official BRL/USD rate that converts the international price for the grower. Brazil is the top arabica exporter. Physical signal only — bring your…

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

Field Value

URL https://api.brazilayer.com/v1/cadeias/cafe_kc

Method GET

Price $0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c

Seller api.brazilayer.com

Catalogs cdp (row updated 2026-09-30)

Listed since (lower bound) 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-30

CDP quality counters 8 calls and 3 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags Brazilayer Causal Chains · brazil, coffee, arabica, frost, drought

Unpaid probe (census of )

Field

Value

Probe

not 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)

Field Value

Distinct payers 11

Payments 27

USDC volume $0.16

Median payment $0.002

First / last payment 2026-07-27 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "cadeia": "cafe_kc",
   "elos": [
    {
     "antecipa": "~72 horas",
     "posicao": "antecedente",
     "sinal": "mínima prevista 72h",
     "unidade": "°C",
     "valor": 11.3
    }
   ],
   "leitura": {
    "estado": "neutro"
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.brazilayer.com/v1/cadeias/cafe_kc' -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/820cac6cc215/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"820cac6cc215"} 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.