x402 census · api.kadec0.xyz · abcc896f554f · JSON

GET /v1/fda

unprobed

FDA recalls and adverse events. Drug, device, and food recall and adverse-event records from openFDA with classification, recalling firm, and reason.

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.kadec0.xyz/v1/fda

Method GET

Price $0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA

Seller api.kadec0.xyz

Catalogs cdp (row updated 2026-09-24)

Listed since (lower bound) 2026-09-24 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-24

CDP quality counters 9 calls and 2 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain)

Category (keyword rule) other/unknown

Templated path no

x402Version in catalog 2

Service name / tags FDA Recalls & Adverse Events · fda, drug-recalls, food-safety, health, government

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 110

Payments 363

USDC volume $5.56

Median payment $0.01

First / last payment 2026-06-22 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "report": "recall",
   "search": "reason_for_recall:contamination",
   "type": "drug"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "count": 1,
   "items": [
    {
     "category": "drug",
     "classification": "Class II",
     "reasonForRecall": "...",
     "recallingFirm": "...",
     "status": "Ongoing",
     "type": "fda_recall"
    }
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.kadec0.xyz/v1/fda' -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/abcc896f554f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"abcc896f554f"} 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.kadec0.xyz.