x402 census · api.kadec0.xyz · 2d1083dae540 · JSON

GET /v1/stackoverflow

unprobed

Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies via the Stack Exchange API.

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/stackoverflow

Method GET

Price $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA

Seller api.kadec0.xyz

Catalogs cdp (row updated 2026-09-28)

Listed since (lower bound) 2026-09-28 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-28

CDP quality counters 9 calls and 2 unique payers in 30 days, last call 2026-09-28 (catalog-reported, not verified on chain)

Category (keyword rule) other/unknown

Templated path no

x402Version in catalog 2

Service name / tags Stack Overflow Q&A Search · stackoverflow, programming, qa, developer, code

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": {
   "mode": "search",
   "q": "asyncio gather",
   "tag": "python"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "count": 1,
   "items": [
    {
     "answers": [],
     "isAnswered": true,
     "score": 12,
     "title": "...",
     "type": "so_question"
    }
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.kadec0.xyz/v1/stackoverflow' -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/2d1083dae540/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"2d1083dae540"} 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.