x402 census · 402.com.tr · 3057a49325b2 · JSON

GET /api/x402/onramp-quote

live

🆕 Prices the same fiat purchase across EVERY payment method a country allows, and ranks them by what the buyer actually receives. On $100 in the US the spread is real: card takes 2.44, bank transfer 0.50, a funded fiat wallet nothing. Returns each rail's fee, net amount, min/max limits, and the cheapest one. Live Coinbase pricing, not a rate card. Pass address= for a payable checkout link. Not f…

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01). The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://402.com.tr/api/x402/onramp-quote

Method GET

Price $0.03 USDC = 30000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x973a31858f4d2125f48c880542da11a2796f12d6

Seller 402.com.tr

Catalogs cdp (row updated 2026-09-15)

Listed since (lower bound) 2026-09-15 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-15

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-15 (catalog-reported, not verified on chain)

Category (keyword rule) money-movement

Templated path no

x402Version in catalog 2

Service name / tags Fiat Onramp Quote · business, verification, due-diligence, kyb, onramp

Unpaid probe (census of 2026-10-01)

Field Value

Probed at 2026-10-01T00:01:01.343Z

HEAD 402

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header+body

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"30000","payTo":"0x973a31858f4d2125f48c880542da11a2796f12d6","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"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 none

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

Latency 2,186 ms

Error Payment required

Latest re-probe

Field Value

Re-probed at 2026-10-01T22:13:42.000Z (cron)

Verdict now live unchanged

HEAD / GET 402 / 402

Live amount equals catalog price yes

Latency 5,425 ms

Error none

On-chain facts for the payTo (public address)

Field Value

Distinct payers 25

Payments 34

USDC volume $0.66

Median payment $0.02

First / last payment 2026-06-28 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x973a31858f4d2125f48c880542da11a2796f12d6 (contract)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {},
  "queryParams": {
   "address": "0x973a31858f4d2125f48c880542da11a2796f12d6",
   "amount": "100",
   "asset": "USDC",
   "country": "US",
   "currency": "EUR",
   "network": "base"
  },
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://402.com.tr/api/x402/onramp-quote' -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/3057a49325b2/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"3057a49325b2"} 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 402.com.tr.