x402 census · api.apex-db.org · 8dfc129d54a6 · JSON

GET /v1/apex

live

Search normalized vehicle variants by brand, model, model year, powertrain, market, or free text.

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://api.apex-db.org/v1/apex

Method GET

Price $0.10 USDC = 100000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x1Ee42717b1c370dACE197a8850Bf41a932F3b5A8

Seller api.apex-db.org

Catalogs cdp (row updated 2026-10-08)

Listed since (lower bound) 2026-10-08 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-10-08

CDP quality counters 2 calls and 2 unique payers in 30 days, last call 2026-10-08 (catalog-reported, not verified on chain)

Category (keyword rule) other/unknown

Templated path no

x402Version in catalog 2

Service name / tags Apex · automotive, vehicles, emissions, specifications, provenance

Unpaid probe (census of 2026-10-22)

Field Value

Probed at 2026-10-22T00:36:22.808Z

HEAD 200

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header+body

x402Version in the 402 1

accepts[0] {"scheme":"exact","network":"base","amount":"100000","payTo":"0x1Ee42717b1c370dACE197a8850Bf41a932F3b5A8","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer Payment id="2WYfvwASR7EQt0DkVqDnpko96Eh4

Content type / server / CORS application/json / Vercel / *

Latency 354 ms

Error payment required

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 2

Payments 16

USDC volume $2.20

Median payment $0.10

First / last payment 2026-07-22 / 2026-09-17

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x1Ee42717b1c370dACE197a8850Bf41a932F3b5A8

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "brand": "Alfa Romeo",
   "limit": 1,
   "model": "Giulia",
   "model_year": 2022
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "data": [
    {
     "brand": "Alfa Romeo",
     "co2_combined_g_km": 217,
     "drive_type": "AWD",
     "fuel_type": "gasoline",
     "id": 7,
     "model": "Giulia",
     "model_year": 2022,
     "power_hp": 280,
     "powertrain": "ICE",
     "slug": "alfa-romeo-giulia-2022-2-0l-q4-8at-awd-280-hp-130"
    }
   ],
   "has_more": true,
   "next_cursor": "7"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.apex-db.org/v1/apex' -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/8dfc129d54a6/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"8dfc129d54a6"} 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.apex-db.org.